Charles Komanoff

Carbon Tax Center

Pricing carbon efficiently and equitably

Will Zero-Carbon New Jersey Be Out of Reach Without a Carbon Tax?

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That was quite a feel-good story in Yale Environment 360 last week. The headline, On U.S. East Coast, Has Offshore Wind’s Moment Finally Arrived?, didn’t really rate a question mark, considering how the subhead brimmed with optimism:

After years of false starts, offshore wind is poised to take off along the East Coast. Commitments by states to purchase renewable power, support from the Biden administration, and billions in new investment are all contributing to the emergence of this fledgling industry.

About time. Early this century, I was an ardent proselytizer for wind power, “the only non-polluting means of generating energy that is commercially available on a large scale,” as I described it in an Appeal to the environmental community to support the Cape Wind project in Nantucket Sound in 2002.

Block Island Wind Farm south of Rhode Island, the first commercial offshore wind farm in the U.S. The 6-megawatt turbines stand 600 feet tall. Photo by Don Emmert / AFP via Getty Images, courtesy Yale Environment 360.

Sadly, in one of the greatest NIMBY flameouts before or since, the 470-megawatt Cape Wind project was set upon by well-connected Cape Codders like the Kennedy family and Walter Cronkite, keeping it from fruition. Even a proposal to repurpose a mine-damaged Adirondacks mountaintop with a mere five or six wind turbines fell before the power of view-minded conservationists.

But wind power’s political travails did help kindle my interest in carbon taxing. “If carbon fuels were taxed for their damage to the climate,” I mused in a 2006 article in Orion magazine, “wind power’s profit margins would widen, and surrounding communities could extract bigger tax revenues from wind farms,” helping ease the path to public acceptance and regulatory approvals.

Wind power today

Today, though fewer than ten wind turbines operate at just two offshore U.S. sites, tens of thousands of onshore turbines together are generating 8 percent of U.S. electricity (based on preliminary 2020 data). Percentage-wise, Iowa led the nation with 42 percent of its electricity production coming from wind in 2019, and Texas (yes, Texas) leads in absolute megawatt-hours from wind with a whopping 93 million megawatt-hours in 2020, nearly 28 percent of the U.S. total.

Now, the Yale story reports, “New York, New Jersey, Virginia, Massachusetts, Connecticut, Rhode Island, and Maryland have together committed, through legislation or executive action, to buying about 30,000 megawatts (MW) of offshore electricity by 2035.”

A quarter of those megawatts, 7,500, would be located off New Jersey’s Atlantic coast, a goal that NJ Gov. Phil Murphy affirmed in a statement last September announcing the state’s Offshore Wind Strategic Plan.

What physical scale do those 7,500 megawatts constitute? Let’s use as our metric the new crop of super-giant turbines from leading wind-power manufacturers. According to the Yale story, Vestas, Orsted and General Electric are today selling wind machines in the 12-14 megawatt range — an astonishing notion, considering that not long ago the 3.6-megawatt Cape Wind turbines were said to be pushing the envelope.

Let’s stipulate 12.5 megawatts, since 80 of them conveniently multiply to 1,000 MW. Meeting NJ Gov. Murphy’s 7,500 MW target would then entail erecting 600 of these super-giants off the state’s roughly 115-mile-long Atlantic coast.

If 600 huge windmills seem daunting, try multiplying the number by five. Yes, 3,000 mammoth turbines providing 37,000 MW from offshore wind is what could be required if New Jersey state goes all-in for decarbonization over the next several decades, according to one energy vision that is a kind of apotheosis of the Green New Deal.

The idea of 100% Wind-Water-Sunlight

That vision is the all-renewables 100% wind-water-sunlight (“100% WWS”) conception propounded by Stanford physicist-engineer Mark Jacobson and colleagues, under the aegis of an NGO known as the Solutions Project.

The idea is for electricity to power all energy uses — not just lights and appliances and electronics but also cars, trucks, heat and industry. Even, eventually, aircraft, either through batteries or, more likely, hydrogen fuel manufactured by electrolyzing water. Electricity is both an efficient energy form for delivering “energy services” and the easiest to provide from all-zero-carbon sources: wind turbines, solar panels and other sunlight-based generation, and water power (though few new hydro-electric facilities would be erected; the existing hydro base would be used mostly for peak supply and to firm up the power grid).

GE’s specs for its new ‘Haliade’ wind turbines.

The Jacobson et al. vision has been written about widely (here’s Jacobson’s 2014 TED talk; also see link to pdf paper at the end of this paragraph) and need not be rehashed here. We use it here as a benchmark. References are to the detailed 2015 Mark Z. Jacobson et al. paper, “100% clean and renewable wind, water, and sunlight (WWS) all-sector energy roadmaps for the 50 United States,” Energy Environ. Sci., 2015, 8, 2093 (14 MB downloadable pdf).

By The Numbers: New Jersey Offshore Wind in a Zero-Carbon Scenario

  • 32,900 MW — New Jersey’s total 2050 “end-use energy load” under 100% WWS, expressed as megawatts operating continuously all year. From Table 1 of the Jacobson et al. paper.
  • 288,204,000 MWh — New Jersey’s total 2050 “end-use energy load” under 100% WWS, in megawatt-hours. Calculated by multiplying the preceding MW figure by the number of hours in a year (8,760).
  • 55.5% — Share of New Jersey’s electricity to be provided by offshore wind, from Jacobson’s Table 3. Another 10% is assumed to come from onshore wind, for a total NJ wind percentage of 65.5%, which is consistent with Jacobson’s U.S. total of 50% (31% onshore, 19% offshore), considering the state’s small land area relative to its coastline. (Another 27.25% of the needed electricity in the 100%WWS scenario would be generated by utility-owned-and-managed photovoltaic arrays, with another roughly 3% each from PV installations on residential and commercial buildings.)
  • 160,000,000 MWh — New Jersey’s 2050 electricity to be provided by offshore wind. Calculated by multiplying the #2 and #3 figures above.
  • 50% — assumed capacity factor of the offshore wind turbines. That’s more than the 42.5% in the Jacobsen paper (Table 2, FN), but less than the 60-64% that General Electric optimistically touts for its 12-14 MW turbines.
  • 54,750 MWh — annual electricity from each 12.5-MW offshore turbine. Calculated by multiplying 12.5 MW figure by the number of hours in a year.
  • 3,000 offshore wind turbines — calculated by dividing the #4 figure by the #6 figure. (The calculation yields 2,920, which we round to 3,000.)

Can this be done? Can New Jersey install (or, more precisely, organize and govern the installation of) 3,000 massive wind machines, with towers extending 850 feet above the ocean’s surface, and 350-foot-long blades?

More to the point, by how much would a robust carbon tax cut the required number of wind turbines? 

That question is more complex than it may appear. Though it’s not hard to project emission reductions from different carbon tax levels, some of those reductions would come about from swapping out fossil fuels in favor of renewables. That’s an invitation to double-counting.

In other words, we need to separate out the demand-reducing work of carbon taxing from its supply-shifting effects, lest we take credit for the tax’s shifting electricity generation to new wind turbines while neglecting to count those turbines as part of the needed supply.

We hope to provide those calculations in a follow-on post, later this month.

There’s long been a hope that repeated climate crises will force Republicans to enlist in the fight to stop, or slow, climate change. How can you ignore the crisis when it is your constituents who are frozen, your home that is underwater? But what we saw in Texas is the darker timeline — a doom loop of climate polarization, where climate crises lead, paradoxically, to a politics that’s more desperate for fossil fuels, more dismissive of international or even interstate cooperation.”

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NY Times columnist Ezra Klein, in Texas Is a Rich State in a Rich Country, and Look What Happened, Feb. 25.

 

Data correction reveals 2020 CO2 shrinkage was less than reported

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Last November, we posted a story, Downturn in U.S. driving led 2020 global CO2 decline, with this lede:

The world’s emissions of carbon dioxide from burning fossil fuels diminished by more than 1.6 billion metric tons in the first three quarters of 2020 from the same period in 2019, a decline of 6.3 percent. Fully one-fifth of the decline, 320 million tonnes, was due to the nearly 25 percent drop in ground transport in the United States, according to data compiled and made available this week by Carbon Monitor, an international collaboration of energy and climate specialists providing regularly updated, rigorous estimates of daily CO2 emissions.

This corrected, 12-month graph replaces the similar graph from our Nov. 17, 2020 post.

Scratch that. Carbon Monitor has reformulated its carbon emissions data for U.S. ground transport. The earlier-reported drop of almost 25 percent in U.S. car and truck emissions has been revised to a mere 9 percent shrinkage — a drop of 153 million tonnes for all of 2020 vs. 2019, rather than a decline of 320 million tonnes for Jan-Sept.

With that revision, as well as natural evolution from adding fourth quarter data, we have these results for 2020 vs. 2019:

  • Global CO2 emissions fell by 1.37 billion metric tons, a drop of 4.0 percent.
  • All eight regions defined by Carbon Monitor registered emission declines, with the exception of China, where emissions rose by 0.5%. Excluding China, world emissions fell by 6.0 percent.
  • The U.S. accounted for 35 percent of the global decline, falling by 477 million tonnes. In percentage terms, the U.S. decline, 9.4 percent, was second only to Brazil’s 9.8 percent.
  • Carbon Monitor calculates emissions for 8 regions and 5 categories, which makes 40 “nation categories” (8×5). The biggest numerical drop by far was in ground transport (driving ) in the “Rest of World” catch-all category: 370 million tonnes, or 13.9 percent, a figure that feels suspiciously large.
  • With that caveat, ground transport accounted for 52 percent of the net decline in emissions, falling by 710 million tonnes. The greatest percentage drop was in domestic aviation, 32 percent.

Carbon Monitor, a British-based NGO that labored mightily to collect the underlying data, hasn’t posted an explanation for radically revising the U.S. ground transport datum. We wrote to its volunteer staff in mid-January to report that gasoline and diesel fuel data from the U.S. Energy Information Administration indicated much lesser drops —  around 13 percent in CO2 emissions from automobiles and 9 percent for trucks, rather than their 24.5 percent for ground transport overall.

We suggested further that CM’s methodology, which relied on extrapolating from reported changes in urban traffic congestion, appeared to grossly underweight changes in suburban and rural driving, which would have created a sharp upward bias in the group’s estimated reduction in emissions. It now appears our hunch was right.

The green table at right shows that by far the steepest decline in global emissions came in domestic aviation, at 32 percent. (International air travel isn’t counted in any of the categories.) Many air travelers deemed it unwise to spend hours in confined aircraft spaces, and teleconferencing filled in for most business travel. The reduction rate might have been higher still, but for “ghost flights” resulting from byzantine government regulations and financial incentives.

The donut chart at left provides another view. It arranges 24 of the 40 “nation categories” in descending order of their 2020 vs. 2019 emission reductions. (Four other categories had emissions increases, two were flat and another ten were too minor to warrant including.)

Finally, some U.S. takeaways:

  • The overall U.S. emissions decline, 9.4 percent, far outweighed the 3.5 percent year-on-year drop in real (inflation-adjusted) gross domestic product, or GDP.
  • The decline in CO2 emissions from U.S. power generation, 166 million tonnes, slightly outstripped the 153 million tonne decline in ground travel. In percentage terms, the 10.3 percent drop in electricity emissions outpaced the 9.3 percent decline in emissions from cars and trucks.
  • Final 2020 electricity figures will almost certainly show coal-fired electricity production and tons of coal burned at power plants at their lowest levels since before the 1973 oil embargo and OPEC-engineered oil price rises that spurred conversion of oil-fired generation to coal. (Even in 2019, U.S. coal-fired plants produced their fewest kilowatt-hours since 1978, the year preceding the Three Mile Island reactor meltdown, which also spurred an overnight switch to coal, as dozens of reactors were throttled for safety checks.)

U.S. emissions (not to mention world CO2 as well) appear set to roar back this year, as the imminent Democrats’ relief-stimulus package injects nearly two trillion dollars into the economy and pandemic-weary Americans seek to regain normalcy by spending and traveling. The Biden administration will need to move broadly and rapidly with low-carbon infrastructure and incentives to keep U.S. carbon emissions from rebounding sharply over the next several years.

Texans might have had more power and less misery if their state were governed like California.

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You could say it was a good week for our planet and our country. Rush is gone and Cruz is hobbling.

Right-wing shock-jock Rush Limbaugh, who helped make climate denial (not to mention extreme misogyny) an article of faith among a large swath of American voters, died on Wednesday, from lung cancer. He was 70.

The next day, U.S. Senator, Trump enabler and climate troll Ted Cruz became the most ridiculed man in America when he was discovered to have fled his Houston home in the midst of a record cold spell in which Texas’s electric grid failed and the state was plunged into freezing darkness.

The schadenfreude was irresistible. Just last summer Cruz was on Twitter mocking California for running short on power during the state’s extreme heat. “California is now unable to perform even basic functions of civilization,” he gloated on Aug. 19. Now, six months removed, conditions in his own state were so exigent that Cruz bolted for Cancun, “paying his way out of hardship” rather than joining millions of Texans in enduring frigid homes, treacherous roads, and lack of food and water; or, perish forbid, helping bend the machinery of government to aid those most in need.

Cruz’s self-inflicted wound — dubbed “a truly rookie move” by the New York Times — was especially savored by those who advocate for renewable energy and climate protection, as it helped expose the hollowness of his fellow Texan fossil fuel promoters; people like Gov. Greg Abbott, who rushed to blame the electric grid collapse on a combination of record cold (true) and frozen “windmills” and solar panels (false).

“This shows how the Green New Deal would be a deadly deal for the United States of America,” Abbott confabulated to Fox “News” host Sean Hannity on Tuesday. Yet on Thursday the Washington Post reported that “the governor’s arguments were contradicted by his own energy department, which outlined how most of Texas’s energy losses came from failures to winterize the power-generating systems, including fossil fuel pipelines.”

By Friday, when this was posted, a consensus diagnosis was emerging that centered not only on frozen natural gas wells that couldn’t deliver fuel to the state’s many gas-fueled power plants, but also on the laissez-faire ideology that ensured that state officials and utilities would ignore the 2011 recommendations of a federal task force to winterize wells and generators and invest in reserve capacity. Texas grid fails to weatherize, repeats mistake feds cited 10 years ago, read the headline of the Houston Chronicle’s exposê.

Source: How Does Your State Make Electricity?, NY Times, Oct. 28, 2020. Hard-to-see x-axis runs from 2001 to 2019. Gas made more than half of Texas’s electricity in 2019. Wind made 17%, solar just 1% (but rising fast).

 

And don’t ignore the “common-mode failure” aspect of the Texas grid collapse, in which the same frigid conditions that caused power demands to spike also degraded the operability of the equipment needed to meet those demands.

But let’s leave Texas behind — not physically, like Sen. Cruz, just attention-wise — and turn to the state he maligned last summer as “unable to perform even basic functions of civilization.”

Unremarked then and now is how much California, through enlightened energy policy, did and still does perform a genuinely “basic function”: climate protection. From 1975 to 2016, California reduced the amount of fossil fuel inputs to each unit of economic activity 18% faster than the rest of the U.S.

That stat comes from the 2019 Carbon Tax Center report that I wrote for NRDC, “California Stars: Lighting the Way to a Clean Energy Future.” (Full report here; CTC blog post here.). The report concluded that if the other 49 states had matched California’s rate of progress at squeezing fossil fuels out of its economy, total U.S. emissions of CO2 would be lower today by nearly 25%, or 1,200 million metric tons of CO2 — the equivalent of all carbon pollution from U.S. passenger vehicles.

Unfortunately, few if any states did. Certainly not Texas. No, we haven’t run the rest-of-U.S. figures for Texas alone, but it’s a good bet that this aggressively libertarian petro-state lagged most others in reducing its use of coal, oil and gas relative to economic activity.

Where California has really excelled in cutting fossil fuels vis-à-vis GDP is in electricity. (See chart.) How this came about is a rich story, some of which we told in “California Stars.”

Chart from CTC’s “California Stars” report for NRDC.

Key is that California inaugurated not just efficiency standards for appliances and buildings but also a process for continually updating those standards to align with, and further incubate, advances by which cooling, heat and light may be furnished with progressively smaller energy inputs.

These policies, along with innovations that enabled electric and gas utilities to bankroll customer “end-use” efficiency investments, later spread to other states, greatly amplifying their impacts. But they took root first and most deeply in California. And consider the implications of “most deeply.” Had aspects of California-style building codes such as insulating pipes and fortifying building envelopes been copied in Texas, not a few houses and hospitals could have been better equipped this week to keep their occupants safe and their plumbing intact.

The story we told in “California Stars” deserves to be known more widely. In the 21 months since NRDC published it, only the redoubtable David Roberts (follow him on Twitter as @drvolts) has covered it — which he did in a tour de force post, How California became far more energy-efficient than the rest of the country. Unlike wind turbines and solar panels, though, energy efficiency doesn’t get much respect. It certainly doesn’t get ribbon-cuttings, as the saying goes.

Nevertheless, if Texas and other states had matched California’s record in cutting fossil fuel use relative to GDP, perhaps this week’s polar vortex might have been a bit weaker due to lower U.S. CO2 emissions. Millions of Texans might have had more power and less misery.

Moral: enlightened governance counts.

Thacker Pass: The Sagebrush Rebellion We Need

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Protecting “a desert in the mountains”

Though I’ve hiked all over the west, I’ve never been to Nevada’s northwest corner. On the map it’s a broad, empty strip from I-80 to the Oregon line. For hundreds of miles, it is in fact wild country — and far from empty, biologically, ecologically.

The encampment. All Thacker Pass photos are from  www.protectthackerpass.org, used by permission.

In January, a pair of activists, Will Falk and Max Wilbert, pitched a tent in one of the loveliest valleys of the region, seeking to rally resistance to a proposed lithium mine on public land. The place where they’ve established their protest camp is called Thacker Pass.

Lithium is a metal, and its physical and chemical properties make it versatile enough to be baked into lubricants, ceramics and other useful stuff, including batteries. Lithium-ion batteries, invented in the late 1970s and prized for their energy density and rechargeability, are integral to two pillars of the Green New Deal: electric vehicles and power storage.

Falk and Wilbert, camped out in midwinter cold, enduring what is no doubt some small privation, are asking that we recognize the ecological and environmental cost of the so-called sustainable economy, at the center of which is the mining of lithium. We need to understand why they are taking a stand at Thacker Pass.

Here’s how they describe where they are right now:

Thacker Pass is a physical feature in Humboldt County, Nevada, part of the McDermott Caldera approximately 60 miles northwest of Winnemucca. It was formed 16 or more million years ago, is traditional and unceded territory of the Paiute Nation, and is United States Bureau of Land Management public land.

Now it is also the proposed site for a massive lithium mine that would destroy the area and valuable habitat for the creatures who live there.

A Less Than Green New Deal?

Climate campaigners have decreed that the world’s cars and trucks must switch to electricity — an imperative that was boosted by General Motors’ recent announcement that it intends to sell only electrics after 2035. Climate hawks say biodiesel can’t be done at scale and hydrogen vehicles are years from commercial use, and they’re right, not when American households and businesses own 275 million cars and trucks and drive them over 3 trillion miles each year — making “ground transportation” the country’s biggest source of planet-heating carbon dioxide emissions.

Key to the green idea for transportation is to make wind and solar power so plentiful that the electric grid will no longer need generators running on fossil fuels. Electric vehicle battery re-charging — and driving — will then be emission-free and climate-pure.

Of course, a renewables-based grid is subject to fluctuating output from the wind farms and solar arrays. That’s where lithium’s other GND connection comes in: powering massive rechargeable battery stacks that can feed electricity into the grid for hours at a time, continuously stabilizing electricity supply.

Already, giant assemblages of lithium-ion batteries are sprouting up in California, where renewable energy has penetrated furthest, enabling utilities in the state to close some turbines burning fracked methane.

The Green New Deal, the anointed framework for perpetuating industrial civilization as we know it while creating jobs and a “just transition” from the fossil-fuel economy, is clearly better than our carbon-based catastrophic course. It also depends on massive amounts of lithium.

I figure that electrifying all U.S. cars and trucks in two decades, as envisioned in GND scenarios, will demand the continuous lithium output of three to five Thacker Pass mines. (See sidebar.)

Powering “utility-side” grid-smoothing batteries will require still more. How much, I do not know. An extensive literature search turned up not a single statement of the quantity of lithium needed per gigawatt-hour, say, of electricity storage — an indication, perhaps, of the alienation of Green New Dealers and energy scenario-spinners alike from the physical implications of their intentions.

Lithium = Devastation

One reason for Falk and Wilbert’s stand is obvious: the lithium mine at Thacker Pass will destroy an entire sagebrush ecosystem. Mind you, what’s planned at Thacker Pass isn’t just an epic-sized mine. There will also be an enormous complex to extract lithium from the mined ore for its conversion into a non-volatile carbonate form to be made into batteries.

Because lithium’s concentration in ore at Thacker Pass runs as low as two-tenths of one percent, producing one ton of the stuff for use by society entails strip mining and processing as much as 500 tons of earth. Over a single year, producing 60,000 tons of lithium at the site could mean digging up as much as 20 to 30 million tons of earth, more than the annual amount of earth dug up to produce all coal output of all but seven or eight U.S. states.

Removing the lithium from the ore is done with the industrial economy’s dissolver of choice, the notoriously corrosive and toxic sulfuric acid. The developer, Canada-based, China-backed Lithium Americas Corp., plans to acidify molten sulfur on site, trucking in the stuff from oil refineries. Hauling the material will require 75 tractor-trailer loads a day, according to Falk and Wilbert — every one of them running on fossil fuels.

Unsurprisingly, the processing equipment is budgeted at a dozen times more than the mine itself, in Lithium Americas’ “pre-feasibility study” (pdf, p. 228 of 266), with the whole enterprise topping out at more than a billion dollars. You don’t spend that much money on apparatus to move, crush, leach and acidify earth without scarring and contaminating large swaths of it.

Thus, the “Protect Thacker Pass” banner. There’s a lot to protect. On the encampment’s web site, Falk and Wilbert describe Thacker Pass as “a stunningly biodiverse, wild, expansive, and beautiful desert in the mountains.” In mid-winter, they attest that the land practically vibrates with stars and stillness.

The pair’s real aim at Thacker Pass is to question a Green New Deal that is dependent on large-scale resource extraction and industrial manufacture. Which means questioning not just society’s but the environmental movement’s acquiescence to consumerism and material growth.

Where is it written, they ask, that Americans must own 275 million vehicles? Where is it written that we can’t halve that number, to Western European levels, with denser suburbs and Euro-quality transit along with broad cultural changes substituting place and proximity for pointless travel, thus slashing the “need” to replace all those cars and trucks with electric vehicles built from mined lithium? As for grid storage, rate incentives that harmonize electricity usage with its real-time availability could partially supplant batteries. Smaller homes and less air-conditioning of buildings could also trim power demand, period.

Tightening the Regulatory Screws Would Help

Would it also make a difference if the pollution discharges permitted at Thacker Pass and at other lithium mines were cut ten-fold? I believe so. This wouldn’t just reduce ecological degradation in the immediate areas. The cost to comply with those regs would boost the price of lithium carbonate. The responses to the higher price — ranging from lighter vehicles that can get by with smaller battery packs to potentially more-efficient (hence, less-resource-intensive) energy storage media — would cut demand.

GM’s Hummer EV: bullshit on our streets, bullshit in our wild lands.

The U.S. has already witnessed just such a chain of events: with coal-fired power plants. To satisfy regulatory mandates to cut new plants’ soot emissions and acid gases roughly ten-fold, utilities were forced in the 1970s and 1980s to spend billions for scrubbers, precipitators and the like, driving up prices of new coal-fired plants — a progression I documented at the time. Coupled with even more meteoric cost escalation at nuclear power plants, the result was spiraling electric rates that helped spark the revolution in energy efficiency that has all but extinguished growth in electricity demand in the United States.

There, in a nutshell, is the logic behind carbon taxing: to raise prices of fossil fuels in accordance with their true costs, thus spurring reductions in their use. Lithium, no less than coal, oil and methane, should be forced to adhere to the same dynamic. If electric vehicles and carbon-free grids are rendered more expensive for awhile, so be it.

Industrial civilization is still destroying ecosystems, laying waste to biodiversity, ramping up its plunder of forests, consuming more metals than ever, depleting ocean life at ever-increasing rates…and on and on… One antidote is for prices to speak the truth about underlying costs.

Nevertheless, even my regulatory-based scenario has a weak link: global commerce. Make it cost more to mine lithium in the USA, and global capital will alight elsewhere. Lithium Americas already operates a mine in Argentina, and the mineral is widely distributed around the world.

To evade the Whac-a-mole trap, the fight that Falk and Wilbert are mounting in Nevada has to be waged as well in Argentina, Australia and especially Chile, the world’s biggest current provider. It’s a tall order.

First, though, they have to stop the mine where they’re camped, at Thacker Pass. That’s a tall order too. That lithium is a midwife to a low-carbon economy makes it less ugly than coal and less evil than oil. But all the same, it’s a force that is industrializing the entire planet, to Earth’s and our detriment and, possibly, demise.

A True Sagebrush Rebellion

Reporting in 2015 on deadbeat cattle rancher Cliven Bundy’s armed standoff over federal grazing fees, journalist Christopher Ketcham wrote in Harper’s that the so-called Sagebrush Rebellion — the Western resistance to federal authority over public lands and water — has always been centered in Nevada. That rebellion proffered the noxious idea that public lands should be maximally exploited for private gain.

The rebellion of Falk and Wilbert, situated in the same sagebrush wilderness, seeks the opposite: “A world in which we prioritize the health of future generations. A world in which we live in harmony with the natural world, rather than relying on extraction. A world in which blowing up a mountain for lithium is just as unacceptable as blowing up a mountain for coal.”

For information on donating, supporting, communicating or coming to Thacker Pass and joining the lithium mine blockade, click here.

Feb. 8 addendum: My post today for Streetsblog NYC, Beware the EV Congestion Boomerang, explains how exempting electric vehicles from New York City’s congestion pricing program will lead to increases in air and climate pollution.

Curbing drilling on federal lands won’t do much for climate

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Half of greenhouse gas emissions from fossil fuel extraction on federal lands are from coal mined in Wyoming. And the quantity is falling steadily as fewer tons of coal are burned in U.S. power plants.

This suggests that the provisions in President Biden’s Executive Order on Tackling the Climate Crisis last week to “pause new oil and natural gas leases on public lands or in offshore waters pending completion of a comprehensive review” won’t put much of a dent in U.S. emissions of carbon dioxide and other greenhouse gases.

Carbon dioxide emissions in 2014 from burning fossil fuels extracted from federal lands. Chart copied from USGS report cited in text. Figures are million metric tons of CO2.

That didn’t stop leading U.S. newspapers from giving the policy announcement an enthusiastic spin. The Washington Post proclaimed that the possible ban “will deliver on one of Biden’s boldest climate campaign pledges,” while the New York Times said it “will effectively launch his agenda to combat climate change.” Both papers claimed that “Fossil fuel leasing on federal and tribal land accounts for nearly a quarter of the country’s annual carbon output” (Post) or, equivalently, “The burning of fossil fuels extracted on public lands and waters accounted for almost a quarter of all U.S. carbon dioxide emissions between 2005 and 2014.” (Times)

That “nearly a quarter” figure is out of date, however. More importantly, it’s Wyoming-skewed. Let’s look at the 2018 U.S. Geological Survey report to which the Times story linked.

Of the 1,279 million tonnes of CO2 emitted in 2014 from fossil fuels mined or drilled on federal lands (a figure provided elsewhere in the USGS report, which only goes to 2014), fully 57 percent originated with coal mined from Wyoming, largely from the state’s Powder River Basin.

Coal mining isn’t mentioned in Biden’s Jan. 27 executive order, save for brief promises to devise new policies on royalties, worker retraining, and community transition, probably owing to two reasons: most coal-fired power plants lock in their fuel supply with long-term contracts to ensure that coal quality matches up with plant equipment; and coal burning to make electricity is in free fall — it shrank nearly by half from its 2005 peak to 2019 — reducing the urgency of curbing supplies.

Wyoming’s coal production hasn’t fallen quite as fast, according to data compiled by the state’s Geological Survey: by 41 percent from its 2008 peak and 29 percent from the 2014 base that USGS drew upon for its calculations. Nevertheless, a back-of-the-envelope calculation suggests that in 2019 federal lands’ share of U.S. CO2 from fossil fuels dipped below 20 percent, with Wyoming coal still accounting for nearly half (48 percent) of those emissions.

Calculations: A 29% drop during 2014-2019 from WY’s 728 million tonnes of CO2 equates to 211 million fewer tonnes. Other things equal, the 1,279 million tonnes of emissions from federal lands in 2014 would have shrunk to 1,068 million tonnes in 2019, which is 83.5% of the figure relied on by the Times and the Post. Multiplying that percent by USGS’s 23% figure of federal lands’ share of all fossil fuel CO2 in 2014 yields 19.2%. As for Wyoming, its prorated 2019 emissions figure of 517 million tonnes (728 less 211) would be 48% of the reduced 2019 total of 1,068 million tonnes.

Of course, some U.S. oil and gas supply does originate in federal lands. The USGS pie-chart associates 19 percent of U.S. 2014 fossil fuel CO2 emissions with offshore gulf wells, while the American Petroleum Institute estimates that 22 percent of U.S. oil production and 12 percent of natural gas production currently takes place on federal land and water, as reported by the Post. Yet at least in the short term and, likely, far longer, plugging up new supplies in federally owned waters would simply divert production to other onshore areas or overseas. Demand it, and they will supply.

Since our founding in 2007, we at Carbon Tax Center have stressed repeatedly — as in our 2016 post, “Keep It In The Ground” Needs a Carbon Tax — that fossil fuel use and CO2 emissions are fundamentally a product of demand, not supply.

This perspective has lost currency of late in the rush to cast the work to save Earth’s climate as a Manichean struggle between the world’s people and the global oil industry — and to absolve individuals of any responsibility in consumption patterns and decisions. But it’s no less true for being out of fashion.

And the policy tool of internalizing climate damage costs in the prices of fossil fuels by taxing carbon emissions is no less essential than before. Indeed, it’s more vital than ever.

Meanwhile, how can Pres. Biden and the Democratic Congress move to forestall economic and social suffering from Wyoming’s contracting coal industry? We touted one solution in 2016, harvesting the state’s enormous wind resources to replace “coal by wire” with “wind by wire.” The new administration could also site a federal green-jobs program in Gillette, WY, the heart of the Powder River coal basin, to produce windmill blades or electric postal vehicles or mass transit railcars. The particular choice isn’t critical. Let the just transition begin now.

Still they persist: 2/3 of voters in poll want carbon tax

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Two-thirds of registered U.S. voters support making fossil fuel companies pay a carbon tax, according to December 2020 climate polling by the Yale Program on Climate Communications released last week and reported in a Friday New York Times story, Survey Finds Majority of Voters Support Initiatives to Fight Climate Change.

From the latest Yale Climate Communications opinion survey. Link to on-line version is in text above graphic. Link to full report is at the end of this post.

The 67 percent support level for a carbon tax is in line with responses to the same question in earlier Yale polling in Nov. 2019 (69%) and April 2020 (68%), and with complementary goals like “require electric utilities to go all-renewable by 2035” and “eliminate all U.S. carbon pollution by 2050.”

Unsurprisingly, it’s well short of the 82 percent approval for perennial favorites like expanding clean-energy research and giving consumers tax rebates for purchasing high-mileage cars and solar panels; taxes, even on pollution, don’t sell as well as research and giveaways. On the other hand, the 67 percent pro-carbon tax rating far exceeded “increasing federal subsidies for renewable energy” (55%) and “decreasing subsidies for the fossil fuel industry (49%).”

The Yale survey polled 1,036 American adults aged 18 and older, of whom 949 are registered, and was conducted December 3-16, 2020.

The persistence of support for taxing carbon emissions is notable in light of increased antipathy toward carbon pricing from the political left.

Last month, the environmental and climate justice movement, acting from its misplaced conviction that California’s carbon cap-and-trade program is exacerbating pollution hotspots in minority communities, blocked the prospective nomination of the state’s air resources chief to head U.S. EPA. (The movement’s criticisms of cap-and-trade also extend to carbon taxing, as we detailed in this September post.)

More broadly, influential commentators like former Vox blogger David Roberts, who now publishes a climate newsletter called Volts, and UC-Santa Barbara political scientist Leah Stokes last year pronounced carbon taxing passé.

“The politics of carbon pricing just don’t seem to be going anywhere,” Roberts wrote last summer in At last, a climate policy platform that can unite the left, an ambitious post that propounded a three-pronged “Standards-Investment-Justice progressive rubric for climate policy. “Carbon pricing has been dethroned,” Roberts proclaimed, practically exulting over the idea that economists were having to cede the steering wheel to progressive activists, organized labor and environmental justice advocates.

Stokes is at the vanguard of rising young academics who disdain carbon taxing. “Carbon pricing has dominated conversations around climate policy for decades, but it is ineffective,” she wrote last September in The Trouble With Carbon Pricing, a lengthy essay in Boston Review. “Only a bold approach that centers politics can meet the problem at its scale.”

We rebutted Stokes and her co-author Matto Mildenberger in October. So did Joseph Majkut, climate policy director at the Niskanen Center, in an elegant blog post that we summarized here. Nevertheless, attacks on carbon pricing as ineffectual or unachievable (or both) continue to mount.

The latest entry, Does carbon pricing reduce emissions?, was just posted yesterday. The short answer, as Cornell Prof. Bob Howarth suggested on Twitter, is that low carbon pricing won’t cut emissions nearly as much as robust pricing.

CTC’s carbon-tax model indicates that a steadily rising carbon tax that reaches triple digits (i.e., $100 per ton of CO2) within a half-dozen years would, a decade hence, be reducing U.S. CO2 pollution by around a third. Needless to say, that’s not what the U.S. Chamber of Commerce had in mind earlier today when it added this deliberately non-specific language to its Position on Climate Change:

The Chamber supports a market-based approach to accelerate GHG [greenhouse gas] emissions reductions across the U.S. economy. We believe that durable climate policy must be made by Congress, and that it should encourage innovation and investment to ensure significant emissions reductions, while avoiding economic harm for businesses, consumers and disadvantaged communities. This policy should include well designed market mechanisms that are transparent and not distorted by overlapping regulations. U.S. climate policy should recognize the urgent need for action, while maintaining the national and international competitiveness of U.S. industry and ensuring consistency with free enterprise and free trade principles.

To be sure, the Yale survey question doesn’t specify a carbon tax amount, for good reasons. Even if that degree of detail were warranted, it seems impossible to fashion a question that could illuminate the level without biasing the outcome.

Consider these two possible survey questions:

  1. Do you support requiring fossil fuel companies to pay a carbon tax that could add nearly a dollar to the price of a gallon of gas?
  2. Do you support requiring fossil fuel companies to pay a carbon tax that would provide annual “dividends” of $1,800 for every U.S. resident 18 and older?

As you may have guessed, the carbon tax is the same in the two questions: $100 per ton of CO2. The framing, however, is quite different. We bet the second wording would poll 25 points higher than the first.

The Yale report, the latest in a series researched and written jointly with George Mason University’s Center for Climate Change Communication, has a wealth of polling results on nearly every conceivable aspect of climate change policy and politics. Such as this: About half of registered voters say the issue of global warming was important in determining their vote in 2020. (However, only 2% of voters ranked global warming as the single most important issue; for the rest it was “one of several important issues.”)

That’s on p. 33 of this intelligently conceived and artfully designed report, which you can download via this link.

Addendum, Jan. 21

Shortly after posting, we learned of a Jan. 12 report from Resources for the Future, The Climate Decade: Changing Attitudes on Three Continents (press release, here; full report, here), comparing 2019 vs. 2009 public opinion in Sweden, China, and the United States. Among the eight authors are the veteran RFF environmental economist Alan Krupnick and University of Gothenburg Professor of Environmental Economics Thomas Sterner.

From the Jan. 2021 RFF report, The Climate Decade: Changing Attitudes on Three Continents.

A big takeaway from the RFF report is an average “willingness to pay” to reduce CO2 emissions of $31 among U.S. respondents in 2019. Though that figure is less than the corresponding average in China and, especially, Sweden (see chart), it’s almost double the 2009 U.S. average of $18.

And while the $31 willingness to pay is far from the triple-digit carbon tax level CTC has been recommending for the past decade and longer, it almost certainly overstates the effective net cost of even a high carbon tax to U.S. consumers, on account of the ability of the carbon tax revenues to pay for social and economic benefits that would vastly lower the true net cost. Those benefits could be reduced payroll or income taxes (via a “tax swap”), lower economic and environmental costs from reduced use of fossil fuels, and/or direct payments to households via “carbon dividends.”

In short, a $31 per ton willingness by Americans to pay to reduce CO2 emissions actually signals support for high rates of carbon taxing.

Can You Live Large AND Green?

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The War on Cars, a prophetic podcast “about the hundred years’ war between The Car and The City,” has built a loyal audience for its pithy explorations of U.S. car culture. Episode 51, Getting the Car Out of Carbon Emissions, which aired last November, caught the attention of Thomas Matte, MD, MPH, a New York City-based environmental health consultant and researcher whose work explores the interface between the urban physical environment and public health. Tom recently sent a letter to the podcast’s hosts. I’ve edited it for length and clarity. — C.K.

Dear War on Cars team:

Happy 2021.  As one of my own New Year’s resolutions, I am belatedly reaching out to thank you for a great episode, Getting the Car Out of Carbon Emissions.

I’m a boomer-aged “car guy in recovery.” As an environmental health researcher and consultant, I’ve devoted a good deal of work to studying the effect of climate and air pollution on health in New York City. I appreciated your soliciting the perspective of another boomer and an unreformed car lover trying to be green (Motel 6 pitchman Tom Bodett) as well as a transportation thought leader (Andrew Salzberg) who understands the limits of private electric vehicles for decarbonizing transportation.

I’d like to share some suggestions for themes you could explore in future episodes, possibly circling back to Mr. Bodett and Bill McKibben, another rural Vermonter you recently interviewed.

1. The fossil fuel inputs to “green technology” embed substantial carbon emissions.

From listening to Mr. Bodett, one might think his Tesla, solar panels, electric heat pump and grid connections all grow on trees. In fact, the embedded carbon emissions from manufacturing EVs are a substantial share of life cycle emissions and exceed the embedded emissions for conventional vehicles, mostly on account of the batteries. Similarly, the plastics and metals used in solar and wind generating equipment and electricity-powered heating, cooling and other appliances are currently manufactured with considerable (and difficult-to-decarbonize) energy inputs.

Jan. 2020 news story points to the difficulty of building green infrastructure in bucolic countryside.

Many components are manufactured in China, where industry is more carbon-intensive than in the U.S. Inputs of water, land and other finite resources as well as impacts of recycling or disposing of batteries and other components at scale also need to be considered.

This doesn’t obviate the benefits of EVs and renewable energy. Nevertheless, as Mr. Salzberg points out, the more energy and resources are devoted to privately owned EVs — especially oversized ones built for speeding and off-road use — the harder it is to decarbonize the economy.

2. Private-vehicle-enabled country living is resource-intensive and rife with environmental externalities.

The low population density of Mr. Bodett’s southern Vermont home “town” of Dummerston means that land – a finite resource – is used very inefficiently there.  While I am sure things look green and natural when he looks out the window, the yards, homes, septic systems, wells, pools, roads and other infrastructure and their maintenance intrude and impact on the forest, fields and habitats that would otherwise have developed there when farming declined and migrated from New England. The result is less truly natural land for ecosystem services and less unspoiled forest for threatened species and hikers to enjoy.

Tom Bodett’s Dummerston, VT spread, via Google Maps.

If, for example, Dummerston had developed with the more compact urban form of nearby Brattleboro, the same population could live on much less land, leaving around 16,000 acres undeveloped, by my estimate. Or consider this thought experiment: what would happen if the population of Inwood in northern Manhattan, where I live, packed up, moved, purchased and developed land in rural areas at the density of Dummerston? More than 600,000 rural acres would be impacted. So, by living in urban Inwood, rather than fleeing to “greener” country living, Inwood residents are conserving more than all of the land purchased at considerable cost and protected to date by the Vermont Land Trust.

3. Low-density rural settlement creates barriers to climate change mitigation and adaptation.

Low-density development isn’t just more carbon intensive on a per capita basis, as demonstrated in this seminal 2006 analysis published by the American Society of Civil Engineers. It also makes it harder to decarbonize the energy supply by scattering people across the land. As a result, more people live in the sight lines of potential wind energy projects, worsening the political environment for wind energy. Spreading development into the wilderness-urban interface also amplifies climate-driven risks to life and limb from vector-borne illness and wildfires, as we have seen recently across the American West.

4. Low-density rural settlements don’t foster equity and health.

Dummerston is less demographically diverse than even nearby Brattleboro and of course much less diverse than many larger towns and urban settlements. Like many rural Vermont communities, it is too sparsely populated to support even limited bus transit. Compared to more-densely developed communities, Dummerston offers fewer opportunities  for living, working, accessing services and upward economic mobility for socioeconomically disadvantaged groups, especially if they cannot afford private motor vehicles.

Rural areas are too often renewable-energy graveyards, as this scene along New Hampshire Rt 10 suggests.

Vermont’s characteristic rural, low-density development also limits the potential for the healthiest way of reducing transportation greenhouse gas emissions: investments in public transit and active-mobility (walking and biking) infrastructure. Vermont’s car-dependent commuting mode split has barely budged in decades, with around 75 percent of trips in single-occupant vehicles (driving alone) and less than 2 percent via transit or cycling. Admittedly, for those who can afford the resources and leisure, some of the sedentary time behind the wheel might be partially offset by physical activity from hikes, chopping wood for heat, or, in Tom Bodett’s case, laps in the in-ground pool.

Is affluent and green Vermont an oxymoron?

This isn’t to say that no one should live in rural areas or that everyone should move to a city.  But too often, natural backdrops create an illusion of living in harmony with nature. Electric vehicles and rooftop or backyard solar panels have their place, of course, but Mr. Bodett’s extravagant lifestyle cannot be scaled up in a green or sustainable way.

To be sure, Tom need not move to Manhattan to live more sustainably. He could decamp to a smaller lot in a walkable location in Brattleboro. The walkscore.com site shows several, and more may be in store; Vermont’s Department of Housing and Community Development last summer posted a detailed guide for zoning reform to expand housing and create opportunities to live in compact, walkable neighborhoods like those found in some of the State’s historic villages and downtowns. Mr. Bodett could move to town, trade in his Tesla for a Nissan Leaf and an e-bike, and could close up his Dummerston estate — filling in the pool and letting the forest reclaim all but the solar array and the road needed to service it.

By doing this, Tom would allow more of his renewable solar energy production to help decarbonize the grid for his Vermont neighbors. Of course, Mr. Bodett is wealthy enough to live anywhere he chooses, but that doesn’t mean his well-intentioned but faux green lifestyle should be promoted or subsidized — especially as we learn more about the social and environmental costs to obtain the resources that green technologies require.

Sure, Tom, go ahead and “leave the light on” for us. Just not so many.

Dogmatism on Carbon Pricing Mustn’t Derail Climate Progress

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Mary Nichols’ candidacy to lead the US Environmental Protection Agency is over. Not so, the need to grapple with the profound mistrust of carbon pricing felt by many advocates for environmental justice.

Nichols, long-time California clean-air chief, was considered “a lock” to head the EPA, according to the New York Times, until 70 environmental justice and allied groups sent a strongly worded letter, excerpted at left, to the Biden-Harris transition team opposing her nomination. The new administration’s selection of North Carolina environmental quality secretary Michael Regan for the position was announced last week.

Excerpt from 70 groups’ Dec. 2 letter. Bold is from original, red is CTC’s emphasis. The link is to the Cushing analysis discussed in this post. Additional text criticizing cap-and-trade isn’t shown here.

Signatories (download the letter here, pdf) included national organizations Friends of the Earth, Greenpeace, Food & Water Watch and Oil Change International, along with dozens of California groups and the umbrella California Environmental Justice Alliance.

A principal charge in the letter, and the one singled out by the Times and in other media accounts, was a claim that the carbon cap-and-trade program overseen by Nichols and the California Air Resources Board “perpetrates environmental racism [by] increas[ing] pollution hotspots for communities of color in California.”

That charge may be seen as a culmination of the deep suspicion with which many environmental justice advocates regard pollution taxes or cap-and-trade schemes (the two are often termed “market measures”) intended to cut carbon emissions.

I did my own grappling with this matter in a lengthy post here in September. I noted inter alia that “many activists recoil from carbon pricing’s implicit acquiescence to capitalist means of exchange that [appear to] commodify pollution” — language similar to the EJ letter’s charge that “market mechanisms … commodify the source of the climate crisis.”

Ironically, those who, like me, train an economic lens on the climate crisis regard the failure to price carbon emissions as a source of the climate crisis. And not just economists but the entire environmental community is united in demanding elimination of fossil fuel subsidies. Yet the ability to dump carbon pollution into the atmosphere for free is the biggest subsidy of all, and carbon taxes (or “charges”) uniquely diminish that subsidy.

Nevertheless, the sharper irony, addressed here, is that the cap-and-trade program that is being vilified for perpetrating environmental inequities appears in practice to be diminishing them.

Environmental Inequity and Pollution Hotspots

As recently as a decade ago, ground-level concentrations of deadly carbon “co-pollutants” — toxic particles and gaseous oxides — issued from industrial smokestacks in California were three to four times higher in disadvantaged communities than in more affluent and predominantly white locales. That result was derived in an analysis published earlier this year by two U-C Santa Barbara economists, ratifying what environmental justice campaigners from these communities have always understood.

Truncated version of table from my Sept. 28 post. EJ Gap is difference in ambient air pollution between CA-codified “disadvantaged” zip codes and other locales. Blue column shows narrowing of gap.

Compounding this long-standing health assault, an early cap-and-trade program meant to curb smog in California (called Reclaim) was riven with escape clauses that, it is said, emboldened increases in pollution dumping onto minority communities from an enormous oil refinery — the state’s second largest — in Richmond, near San Francisco. The conviction was soon born that pricing of pollution, whether auctioned to polluters as tradeable emission permits (cap-and-trade) or charged directly (via pollution taxes), could never mitigate pollution inequities afflicting historically-burdened communities of color.

This belief grew and intensified across California, fueled by intersecting political and social currents and by research suggesting that a newer, more ambitious and less porous statewide carbon cap-and-trade program legislated in 2006 and put in place in 2013 by the California Air Resources Board was likewise concentrating emissions in minority communities. (A 2019 paper, California Climate Policies Serving Climate Justice, by Univ. of San Francisco Law Professor Alice Kaswan, is a useful guide to the state’s many laws addressing carbon emissions and environmental injustice.)

Must carbon pricing worsen hotspots?

The specter of “hotspots” is paramount in the Dec. 2 EJ letter and prominent in environmental justice expressions on pollution pricing. Yet the idea that polluters respond to charging for pollution by perpetuating or, worse, exacerbating toxic emissions in poor communities runs counter to almost everything we know (or believe we know) about how polluting enterprises actually operate.

A carbon tax, by its nature, exacts a cost for every missed opportunity to reduce carbon emissions. Carbon pricing makes every means — and there are literally billions at hand — of reducing carbon emissions more profitable, which is why devotees of carbon taxes find them so enticing.

The price incentive, we believe, gives individuals and especially companies new cost-effective means to pare their use of carbon fuels. (The same is true for carbon cap-and-trade programs, although there the cost is paid, somewhat indirectly, via the polluting company’s purchase of emission permits, and the price signal is found in the carbon-permit market.) Accordingly, a company that deliberately perpetuated toxic hot spots in disadvantaged communities would weaken its bottom line.

Consider an oil company that operates 10 refineries — 5 in minority communities, 5 in white locales. Under a carbon price, every new piece of equipment or procedure that reduces carbon emissions at any of the 10 reduces the company’s carbon tax tab (or its cap-and-trade expenses).

All 10 refineries will almost certainly undergo some change to lower their emissions. Logistical considerations or racial favoritism might conceivably lead the company to concentrate more of its reduction effort at its 5 white sites. But it strains credulity to posit that the minority sites will take on more emissions on account of the carbon price.

The reason? Carbon pricing is a unitary policy that applies equally to all emissions. Charging for emissions creates opportunities to cut emissions everywhere, simultaneously. The choice presented to headquarters isn’t to pit potential reductions from Refineries 1-5 against reductions from Refineries 6-10, but to max out on the new cost-cutting opportunities that the carbon price presents at Refineries 1 through 10 .

This schematic suggests that even community-neutral pricing policies — ones that lower total emissions without regard to where — will benefit disadvantaged communities in health terms. That is true even if the relative bias of disproportionate burdens on those communities isn’t specifically targeted, whether in the pricing design or in the use of the carbon-pricing revenues.

Keep in mind that the refineries or other large emitters that are most cost-effective to upgrade or downsize because of the carbon price will be those with the oldest, most-polluting equipment. To the extent that these are in poorer communities — a syndrome that the environmental justice movement has documented for decades — the emission reductions will be concentrated there as well.

Graphic from my Sept. 28 post illustrates the narrowing in California’s “EJ” gap due to the state’s cap-and-trade program.

There is also the mathematical fact that equal percentage reductions across the board will bring the greatest absolute emission reductions where the baseline emissions are highest. If polluters are spewing 200 tons of pollution on your community but only 100 tons on mine, a 25% reduction everywhere will cut emissions in your back yard by 50 tons, vs. 25 tons in mine.

For the inequitable historic differential in pollution exposures to widen, there would have to be grossly lesser emission percentage reductions in minority areas. In the example above, the decrease in emissions in those areas would have to be held to just 25% while emissions elsewhere fell 50% or more.

A few such examples can probably be found in California, among the 300-plus emitters large enough to be covered by the state’s carbon cap-and-trade program. But so long as the overall cap is tightened each year while “offsets” and other loopholes are kept to a minimum, any increases will be far outweighed by reductions in other low-income communities of color.

A Startling Finding about California’s Carbon Cap-and-Trade Program

In early August, I learned of a new academic paper that, in its elegance and reach, appeared capable of singlehandedly untethering carbon pricing from the charge of environmental injustice. The paper is the one mentioned up front that found that just a decade ago, as a baseline, California’s disadvantaged communities suffered from far larger concentrations of carbon “co-pollutants” from industrial smokestacks, compared to whiter and more prosperous locales.

The person who collegially notified me of the paper was Lara Cushing, an epidemiologist (MA) and energy policy specialist (PhD). It was Prof. Cushing’s team whose research was cited in the letter to the Biden-Harris team charging that California’s carbon cap-and-trade program “perpetrates environmental racism.”

During the rest of August and most of September I pored over the academic paper, which was titled, “Do Environmental Markets Cause Environmental Injustice? Evidence from California’s Carbon Market.” I corresponded with its authors, members of U-C Santa Barbara’s economics department: PhD candidate Danae Hernandez-Cortes and Associate Prof. Kyle C. Meng. Their paper was complex and bursting with implications, and I wanted to be certain I understood it fully before writing it up. I circulated a draft story to a few environment-oriented outlets for publication or a news exclusive, eventually posting it myself to the Carbon Tax Center website on Sept. 28 as Environmental Justice, Borne Aloft by Carbon Pricing.

Hernandez-Cortes and Meng’s key finding, I explained, was this: From 2012 to 2017, the pollution disparity between disadvantaged and other communities in California fell an estimated 30 percent for particulates, 21 percent for nitrogen oxides and 24 percent for sulfur oxides. Moreover, the 21-30 percent drops in the state’s “EJ gap,” as they termed the disparity, was not merely concurrent with the cap-and-trade program, which CARB put into effect in 2013; it was “due to the policy” itself, according to the authors.

This finding differed diametrically from the conclusions of Prof. Cushing and her colleagues, and I was obliged to explain why. The account from my post is shown in the sidebar and summarized below:

Snipped from my Sept. 25 CTC post, “Environmental Justice, Borne Aloft by Carbon Pricing.”

  1. To weed out macroeconomic and other extraneous factors and discern the cap-and-trade program’s specific effects on its “covered” facilities, Hernandez-Cortes and Meng included a comparison group of unregulated California emitters.
  2. Hernandez-Cortes and Meng traced the atmospheric paths taken by the pollutants once they left the smokestacks, via modeling, rather than assuming they landed in narrow bands nearby.
  3. Hernandez-Cortes and Meng based their before-and-after calculations on each facility’s actual emissions — a richer and more accurate approach than the earlier work’s up-or-down formulation.

Reactions to the Hernandez-Cortes – Meng Findings

My post highlighting the Hernandez-Cortes – Meng findings drew little comment (none from the environmental justice campaigners to whom I reached out) and very little press. The paper’s two mentions in the green press — in an October article in Grist, Cap and Trade-Offs, and in a November story in Yes! magazine, Can California’s Cap and Trade Actually Address Environmental Justice? — were cursory and largely dismissive.

For example, the Yes! article said that the 20% to 30% narrowing of the EJ gap applied only “in the areas where facilities were covered by the program,” whereas Hernandez-Cortes and Meng actually calculated the reductions across all of California’s 1,712 populated zip codes. The Grist story obfuscated Hernandez-Cortes and Meng’s statistically significant modeling of smokestack dispersions as reflecting only “a spread of outcomes of various likelihoods” — whatever that means.

One could almost intuit a wish to cling to the Cushing team’s negative conclusion about cap-and-trade’s outcomes, and thus to downplay Hernandez-Cortes and Meng’s ingenious analysis that had apparently upended it.

Finally, in late November, a substantive critique of the Hernandez-Cortes – Meng analysis appeared. It was posted by Danny Cullenward, a lecturer and affiliate fellow at Stanford Law School, and Katie Valenzuela, who formerly was policy and political director for the California Environmental Justice Alliance and co-chair of California’s AB 32 Environmental Justice Advisory Committee (AB 32 is the state’s 2006 umbrella climate law).

Yet the Cullenward-Valenzuela criticisms of Hernandez-Cortes – Meng appear to point to imperfections, not fatal flaws.

To wit: Hernandez-Cortes and Meng employed zip codes and not finer-grained census codes to compare EJ neighborhoods with other locales. Hernandez-Cortes – Meng drew smokestack data from the state’s 35 different regional air districts that, they say, “use 35 different methods for data collection.” Hernandez-Cortes and Meng didn’t adjust for possible confounding effects from California’s Low Carbon Fuel Standard, a companion climate measure that took effect during the period covered in their cap-and-trade analysis.

Notably, however, neither Cullenward-Valenzuela nor anyone else writing from an environmental justice perspective criticized the Cushing team’s analysis — the one bolstering the belief that the cap-and-trade program has deepened environmental inequities — for these same failings, let alone its more consequential shortcomings I enumerated in the preceding section. Nor did Cullenward and Valenzuela attempt to quantify how much, if at all, remedying the asserted shortcomings in the Hernandez-Cortes and Meng paper would weaken their findings.

Perhaps the weightiest criticism of Hernandez-Cortes – Meng from Cullenward and Valenzuela is their last, under the heading, “The question is not cap-and-trade versus nothing”:

If California had chosen a path of more prescriptive, direct emissions reductions … we would likely be seeing far more emissions reductions … and far more improvements for environmental justice communities than we’re seeing under the cap-and-trade program today. To say [the cap-and-trade program is] better than nothing ignores the fact that adopting a weak cap-and-trade program has led to prolonged and higher emissions in environmental justice communities than if California had adopted a stringent carbon pricing policy or relied instead on non-market mechanisms that would have been targeted at the pollution reductions our communities need.

That claim may well be true. It certainly resonates with me, an advocate since the late 1980s of straight-up carbon taxing rather than oblique and often loophole-plagued cap-and-trade approaches. But that’s not the question that Hernandez-Cortes and Meng tackled in their study, which was: On a statewide basis, has California’s cap-and-trade program widened or narrowed environmental inequities? 

Though California EJ advocates insist that the cap-and-trade program has widened environmental inequities, no one has effectively rebutted the evidence marshaled by Hernandez-Cortes and Meng that it has actually narrowed them.

Possible Trouble Ahead

The scant attention accorded the Hernandez-Cortes – Meng paper has largely sidelined its meticulous and virtuosic treatment of the impact of California’s cap-and-trade program on environmental inequities. A result has been to let stand the accusation that the program’s sponsoring agency, the California Air Resources Board, has “perpetrated environmental racism.”

Chevron Refinery, Richmond, CA. Photo: Scott Hess

My concern here is not that that charge helped block CARB’s Mary Nichols from heading EPA, but with the possibility that its uncritical acceptance may impact national environmental and climate policies going forward.

The idea that carbon pricing cannot serve environmental justice may have been justified by systemic oppression, and it dovetails nicely with certain critiques of capitalism as being a willing handmaiden of inequity. But in its largest empirical test to date in the United States, that proposition has been shown highly questionable. Now, judging by its impact on Nichols, it threatens to block carbon pricing measures from consideration by the incoming Biden administration.

Getting meaningful climate legislation through a divided Congress will be difficult under any circumstances. The temptation will now be strong to jettison measures that might be opposed by advocates for racial justice and others on the left. Another New York Times story this month, this one showcasing president-elect Biden’s choices of Janet Yellen and Brian Deese for Treasury secretary and National Economic Council director, noted that carbon pricing “is fiercely opposed by both conservatives and some liberal groups.”

Carbon pricing, whether rendered through tradeable emission permits or straight up via carbon taxes, faces hurdles galore. Saddling it with unfounded criticisms, notwithstanding their deep wellsprings, appears more likely to compound environmental injustice rather than help overcome it.