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Getting a commercial reactor online by the 2030s doesn’t sound as crazy as it used to.
There’s a reason they call a seemingly impossible technological reach a “moonshot.” Over the years, the term has been used to refer to virtual reality, self-driving cars, and biometric identification such as DNA fingerprinting. Now, it’s fusion’s turn.
“Where we are on fusion is kind of where we were on getting to the moon when Kennedy gave his speech,” Phil Larochelle, a founding partner at Breakthrough Energy Ventures who leads its fusion investment strategy, told me, referencing John F. Kennedy’s 1962 speech about putting a man on the moon by 1970. “Did they have any idea how they were going to make a guidance computer that was actually going to get on the moon? No. Did they have the rockets that they needed that were strong enough to get to the moon? No. And so it’s kind of like that in fusion.”
There have already been some high-profile milestones over the past few years. Toward the end of 2022, the National Ignition Facility at Lawrence Livermore National Lab beat breakeven, creating a fusion reaction that produced more energy than it took to heat up the fusion plasma. Or when the startup Commonwealth Fusion Systems, a.k.a. CFS, announced that it had developed a new type of extremely powerful magnet to better contain and control superheated plasma. Now, startups and investors think the next decade will be critical for commercialization.
“When we started BEV, we kind of assumed that fusion was going to be too far off,” said Larochelle. But after talking with CFS and learning more about the company’s magnet tech, minds changed. Breakthrough invested in the company — and eventually three other fusion startups, too. “These better magnets matter a lot,” Larochelle told me. “It matters as much as the transistor did to a computer. It’s that level of component level breakthrough that totally changes the game.”
For the ordinary optimist, fusion energy might invoke a cheerful Jetsons-style future of flying cars and interplanetary colonization. For the cynic, it’s a world-changing moment that’s perpetually 30 years away. But investors, nuclear engineers, and physicists see it as a technology edging ever closer to commercialization and a bipartisan pathway towards both energy security and decarbonization.
To some extent at least, the data backs them up. According to the Fusion Industry Association, over 60% of all private fusion companies were founded in 2019 or later. And in the past three years alone, fusion companies have brought in over $5.1 billion, over 70% of the sector’s total funding since 1992.
“We would hope to see a breakeven moment by private companies in the next two to three years, by 2028-ish,” followed by a commercial reactor in the mid-2030s, Julien Barber, an investor at Emerson Collective, told me. Thus far, Emerson, which is headed by Laurene Powell Jobs, has invested in two fusion companies, CFS and Xcimer Energy.
The major players in the startup ecosystem say they’re on track to get there. “The progress has actually been faster than Moore’s law,” Ally Yost, senior vice president of corporate development at CFS, told me, “but people weren't looking at that.”
Moore’s law is a prediction — largely validated for decades — that the number of transistors on a microchip, and thus a computer’s processing speed, would generally double every two years. The performance of fusion reactors, especially the donut-shaped tokamak reactors that CFS uses, has historically improved at an even faster rate. But due to some midcentury researchers and technology enthusiasts overpromising on the near-term feasibility of fusion, cynicism remains. It also doesn’t help that the large, intergovernmental fusion megaproject known as ITER has consistently faced delays and huge cost overruns due to the technical complexity of the project, as well as the difficulty of wrangling 35 countries to work together.
Thus far, though, the private sector is faring better. CFS has raised over $2 billion, more than any other private company in the space. It uses an approach known as magnetic confinement fusion, which involves using strong magnets to confine fusion fuel in the form of a plasma. If you can keep the plasma dense enough and hot enough for long enough, atoms start fusing together, releasing a vast amount of energy in the process. ITER, as well as startups including Type One Energy, Thea Energy, and Renaissance Fusion are pursuing the same fundamental route, though with their own technical twists.
Lawrence Livermore, on the other hand, achieved its breakthrough fusion reaction (which it’s since repeated several times) using an approach known as inertial confinement, in which powerful lasers fire at a pellet of fusion fuel, causing rapid compression and heating that leads to nuclear fusion. But the national lab is not aiming to create a commercial reactor. So when the founders of the startup Xcimer Energy saw that the National Ignition Facility was closing in on its goal, they jumped to get inertial confinement tech ready for market.
“In August of 2021, NIF achieved a fusion gain of about 0.6,” Xcimer’s President and CTO, Alexander Valys, told me, referring to the ratio of the energy generated by the fusion reaction to the energy required to heat the fusion plasma. An energy gain of one constitutes breakeven, so the moment didn’t get any mainstream press to speak of. “But inside the field, everyone knew that the previous NIF shot record was effectively a gain of like 0.01,” Valys said. The massive jump indicated to him that, “If we’re going to do this, we have to do it now.” Since then Xcimer has gotten backing from the biggest names in the space, including BEV, Lowercarbon Capital, and Emerson Collective, as it looks to build lasers at lower cost and higher power.
One thing that ties fusion’s various technical approaches together is the fact that they’ve all benefited tremendously from advances in supercomputing, which allows researchers to better model plasma physics and rapidly simulate fusion experiments. “It’s really taken the advent of modern computational methods and supercomputers to be able to model that process with sufficient accuracy, that you can actually develop a machine that recreates those conditions,” Christofer Mowry, CEO of the magnetic confinement startup Type One Energy, told me.
At this point, many leading companies say that the problem is no longer about basic science, but cost. Clea Kolster, head of science at Lowercarbon Capital, told me that once CFS turns on its demonstration reactor, the company knows its fusion gain will be “at least greater than two.” (Lowercarbon is a CFS investor.) That said, there’s still loads of uncertainty around the reactor’s performance, as outside studies project that its energy gain will be more like 11 — although even that might not be enough for it to make economic sense.
So while the economics of fusion are a large part of what venture capitalists are betting on these days, private investment in the industry has actually fallen over the past two years, after peaking in 2022 at $2.8 billion. “A step change in growth will be required once private companies deliver results on their prototype machines,” Andrew Holland, CEO of the Fusion Industry Association, said in a statement, adding that last year’s $900 million in funding “will not be enough to deliver fusion’s ambitious goals.”
To date, government funding has comprised a mere 6% of the industry’s total, but contra the private funding trend, that figure has been ticking up as of late. Last year, the Department of Energy announced $46 million in funding for eight private fusion companies to help the administration reach its goal of demonstrating fusion at pilot scale within a decade.
All the companies I spoke with were awardees, and all agreed that much more would be needed, pointing to the public-private partnership between NASA and SpaceX as a model for how the government could more deeply support commercialization of fusion. That partnership was the product of NASA’s Commercial Orbital Transportation Services program, designed to catalyze the development of private spacecraft and funded to the tune of $800 million.
China, meanwhile, is outspending the U.S. on fusion, just as it’s done with solar, and launched a national fusion consortium at the beginning of this year.
“We are about to harness the sun a second time, and we can’t make that mistake again. We have to get serious about building this industry here in the United States,” Clay Dumas, a partner at Lowercarbon Capital, told me. The firm has a dedicated $250 million fusion fund, and has invested in a total of eight companies in the space, spanning a wide array of technical approaches. “That is going to take the combined efforts of investors and entrepreneurs and policymakers and energy companies and governments to make sure that we can drive this forward on the timeframe that it needs to happen.”
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Not even the companies that — on the surface, at least — seem most likely to benefit from them.
Amidst the chaos of President Donald Trump’s tariff regime so far, there has been one constant — the 25% levies on steel and aluminum imports applied in February, with no country-specific exemptions. I’ve been a bit befuddled as to what these tariffs may, or may not, mean for the companies trying to green these notoriously hard-to-decarbonize sectors. And it turns out, some of them are a bit befuddled, too.
“It’s a mixed bag,” Cody Finke, CEO of the Bay Area-based clean cement and aluminum startup Brimstone told me. Brimstone’s core breakthrough is figuring out a way to co-produce cement and alumina — the core material in the critical mineral aluminum — using carbon-free calcium silicates such as basalt rather than limestone, which releases a lot of CO2 when it’s processed.
At least on the surface, a company like Brimstone should fall squarely among the beneficiaries of Trump’s trade policy — the whole point of the tariffs, after all, is to increase demand for domestic steel and aluminum by making foreign metals more expensive. That will likely allow U.S.-based producers to raise prices, too, generating even more revenue.
Then again, green steel and aluminum producers rely on imports of these same materials to build their own plants. Tariffs on these vital construction materials — plus exorbitant levies on all goods from China — will make building new production facilities significantly costlier. (As Keith Norman, CEO of the domestic battery manufacturer Lyten told me last month, “The reality is, the energy transition is a manufacturing transition.”) Not to mention the fact that the auto industry — a heavy user of both steel and aluminum — is facing its own 25% tariffs on imported vehicles and auto parts. That stands to raise the price and thus lower the demand for cars, in turn reducing demand for the materials needed to build them, green or not.
Large industry players such as Nucor and Cleveland Cliffs — both of which have plans to produce green steel — have seen mixed responses since the tariffs were announced. “Nucor recently said on an earnings call that they have huge backlogs, suggesting increased demand. [Cleveland] Cliffs, on the other hand, is idling plants due to low demand,” Hilary Lewis, the steel director at Industrious Labs, a nonprofit advocating for heavy industry decarbonization, told me via email. But it’s difficult to know how much a company’s recent performance is attributable to the tariffs. “The impact of the steel tariffs are uneven and subject to other disruptions in the market,” Lewis said.
Industrious Labs aluminum lead Annie Sartor told me that Trump’s first term tariffs on aluminum failed to revitalize the industry, which she said “saw a continued downturn.” So while the latest tariffs are more robust, Sartor is hesitant to to think that “this will be a real game changer.” As she explained, “The biggest challenge that the industry faces is access to electricity, and specifically renewable electricity.”While the tariffs won’t directly address that, Sartor said that an optimistic analysis would suggest that with their extra revenue, companies that rely on electrification to clean up their operations “could use those additional funds to help them access the renewable energy that they want.”
At least for now, many of the leading companies have expressed strong support for Trump’s trade agenda. Century Aluminum’s CEO Jesse Gary said the tariffs “will help drive the resurgence of domestic aluminum production,” while Cleveland Cliff’s CEO Lourenco Goncalves stated they would “penalize the foreign competitors who have been playing by a different set of rules.” And while Leon Topalian, CEO of Nucor, acknowledged that the tariffs will increase the price of the raw materials for steel, such as iron ore, he told investors that he thinks this will be outweighed by “the overall macroeconomic trends in the industry, a healthy, vibrant steel industry.”
Aluminum giant Alcoa, which has also expressed interest in producing green aluminum, is an outlier among industry leaders in its opposition to tariffs. The company’s CEO, Bill Oplinger, told the crowd at a metals and mining conference in February that the disruption caused by the tariffs could eliminate 100,000 jobs in the domestic aluminum industry. The company operates two smelters in Canada that will be subject to tariffs, while it’s closed down many older smelters in the U.S. that it’s in no rush to reopen. “It’s hard to make a restart decision based on tariffs that could change,” Oplinger said during an analyst call, the Wall Street Journal reported. “We just don’t know whether they will stick.”
Startups focused narrowly on green metals production, however, have generally been more circumspect in their responses. “At this point, we’re trying to just stay steady through all of it — not reacting to the day-to-day,” Adam Rauwerdink, senior vice president at the green steel startup Boston Metal, told me. His company uses renewable power to electrolyze iron ore at high temperatures to create molten iron, the feedstock for steel.
Boston Metal has yet to build its first demonstration plant, and while Rauwerdink told me the tariffs could provide some incentive to site the facility in the states, the increase in domestic materials demand that tariffs will presumably bring is by no means enough to guarantee a U.S.-based facility will be worth it. “Here in the U.S. right now, the challenge is just the grid not being sufficient,” he said.
With electricity demand on the rise, green metals companies are now competing for renewable resources with tech giants that are trying to scoop up as much clean energy as possible to power their artificial intelligence-focused data centers. “Innovations like that, which change the landscape on the grid, can definitely impact some of these other solutions that are going to be competing for electrons and are probably less profitable than an AI data center,” Rauwerdink told me.
Electra, a startup that’s also using electrolysis to decarbonize the ironmaking process, recently landed a $186 million Series B funding round to build its demonstration plant in Colorado. But the tariffs aren’t enough for them to commit to the U.S. market, either. As the company’s CEO, Sandeep Nijhawan, told me, building a facility in an area with easy access to renewables is of paramount importance to them too.
Adding to all of this tariff-related uncertainty is the fact that many of these demonstration plants or first commercial facilities, including Brimstone’s, aren’t even scheduled to come online until the latter half of Trump’s term, if not the next decade. “We don’t know what the policy of the United States will be at that time,” Finke told me. The plan is for the company’s first commercial demonstration plant to be operational in 2030. “Maybe the next president will extend those tariffs, or maybe they will cut them back,” Finke said. After all, Biden mostly kept Trump’s first term tariffs on steel and aluminum in place — although prior to this February, there were numerous country-specific exemptions in place.
At the end of the day, tariffs are only one of numerous policy unknowns plaguing these green producers. Another major one is the status of the funding many of them were granted from the Department of Energy but have yet to see. In Brimstone’s case, that’s a $189 million award from the Office of Clean Energy Demonstrations to build its first plant. While Finke told me the company has started spending that money scoping out potential sites, it hasn’t yet been reimbursed. I asked him if that was concerning. “It’s a good question,” he told me. “At this time, it’s too early to say that.”
Similarly, Century Aluminum and Cleveland Cliffs both have $500 million awards from OCED to produce green aluminum and green steel, respectively. While I reached out to both companies for comment on the tariffs and the status of their funding, neither got back to me. Boston Metal also has a $50 million DOE grant for a facility that would produce chromium, a critical material for many advanced energy technologies. That money is, of course, now mired in “limbo and uncertainty,” Rauwerdink told me.
Green aluminum manufacturers large and small also stand to benefit from the Inflation Reduction Act’s advanced manufacturing production tax credit, which incentivizes the domestic production of critical minerals, as well as certain types of clean energy components. This credit — along with so many others — may or may not be slashed as Republicans look to cut funding for a variety of IRA-related initiatives in the budget reconciliation process.
While Finke told me — as so many other companies did — that Brimstone does not rely on tariffs, tax credits, or the company’s DOE grant for its survival,it sure would be nice to have just a little certainty for once. “What we’d really like is to know what number to put in our financial model,” he told me.
Wouldn’t we all.
On EU EVs, Exxon’s CCS projects, and Australia’s election
Current conditions: Spring rainshowers and thunderstorms will move over the Central and Eastern U.S. at the start of the week • The Eta Aquarids meteor shower, the result of debris from Halley’s Comet, peaks Monday night and Tuesday morning in the Northern Hemisphere • It’s another sunny day in Rio de Janeiro, where authorities are investigating an attempted attack on Lady Gaga’s Sunday outdoor concert at Copacabana Beach.
First quarter new car registrations for the European Union are in, revealing that March was the second-best month ever for BEVs on the continent, up 24% year-over-year with 245,000 units sold, Clean Technica reports. While the Tesla Model Y and Model 3 remained the top-selling electric vehicles for the month, Model Y deliveries were down 41% year-over-year. “The name Tesla has become toxic for many, limiting its appeal, so don’t expect the Model Y’s performance to go back to the sky-high results it once had,” Clean Technica writes. The Model 3, meanwhile, was up 6% year-over-year in March, but down 14% over the whole quarter.
The Renault 5, in third place for the month, delivered just over 8,000 units, marking “a new record for the French model” that could be even higher for April as it benefits from “Tesla’s off-peak month.” The Volkswagen ID.4, sitting in the fifth place spot with almost 7,600 deliveries, saw a remarkable 52% growth year-over-year. Also creeping up the charts was the BYD Song, which had the best result ever in Q1 for a BYD model in Europe.
ExxonMobil characterized carbon capture and storage as “probably the biggest thing we’re investing in this year” during its first quarter earnings call on Friday. “We have the permanent storage, we’ve drilled the wells, we’ve got the monitoring put in place, and so we’re feeling very good about how that business is progressing,” Kathryn Mikells, Exxon’s chief financial officer and senior vice president, said on the call, adding that low-carbon projects amount to “$30 billion of our total [capital expenditure] from 2024 through 2030,” or about 10% of the company’s total capital expenditure. Earlier in the week, energy consultancy Wood Mackenzie said ExxonMobil’s low-carbon investments place it ahead of Shell and BP.
Darren Woods, Exxon’s president and chief executive officer, also shared an update on the company’s planned Baytown Blue Hydrogen project. The project was announced in 2022 and would be the world’s largest such facility if developed; it aims to eventually produce 1 billion cubic feet of low-carbon hydrogen per day. Acknowledging there’s “some debate today with the Trump administration” and that “policy may change,” Woods said, “our expectation is the things that we need to drive low-carbon hydrogen will probably stay in place.” He added that he expects to make a final investment decision on the project “hopefully … later this year.”
A view of a proposed nuclear facility in Port Augusta, Australia.Brook Mitchell/Getty Images
Australia’s center-left Labor Party retained power in the national election on Saturday, securing Prime Minister Anthony Albanese a second term in office. He is the first Australian prime minister to win consecutive re-election in two decades, and is expected to secure the largest win for his party since 1946 — a landslide victory many have credited to the conservative coalition leader’s association with President Trump.
Though the Australian campaigns, like Canada’s, did not center around climate issues, “few voters have as much power over climate change as an Australian citizen,” The New York Times writes, noting that the country has the highest per capital greenhouse gas emissions among democracies and that it is one of the biggest exporters of coal and natural gas, which it mainly ships to Asia. During the campaign, the Labor Party pitched voters on quickly deploying wind, solar, and pumped storage hydropower to reduce domestic emissions, while the conservative coalition made a pitch for building new nuclear reactors over the next 10 years. “This was an energy referendum,” Amanda McKenzie, the CEO of Australia’s Climate Council, said. “Nuclear bombed at the ballot, with Australians dubbing it toxic.” Australian Conservation Foundation CEO Kelly O’Shanassy added that the landslide for Labor means the door has not just closed on nuclear — “it is welded shut.”
Soil testing by the Los Angeles Timeshas found that properties that burned in the Los Angeles fires in January have elevated levels of arsenic, lead, and mercury — in some cases, levels that are “three times higher than the state benchmark.” That is true even of properties remediated by the U.S. Army Corps of Engineers, with dangerous contaminants potentially present in “thousands” of the county’s now-empty lots.
Soil testing is a precautionary measure that has followed every major California wildfire since 2007, the Times writes, due to the known toxicity of fire-scorched properties. In my interview earlier this year with Ruben Juarez, one of the lead researchers of the Maui Wildfire Exposure Study, a multi-year effort to track the 2023 Lahaina fire’s physical and mental health impacts on residents, he told me that “60% of participants may have poor lung health, and 40% may have mild to severe lung obstruction. We believe this is associated with the exposure to ash and the [inadequate] personal protective equipment individuals wore when they returned to the fire site.”
The Federal Emergency Management Agency “now insists it’s not the agency’s responsibility to meet California’s health standards for private properties,” the Times writes, and has said its current clean-up procedures are “sufficient to rid properties of fire-related contamination.” Rachel Morello-Frosch, an environmental health scientist and professor at the University of California Berkeley, described FEMA’s attitude as “no data, no problem,” calling the government’s failure to properly clean up contaminated properties in Altadena a “quintessential environmental justice issue.” Read the Times’ full findings here.
Two major American scientific societies have announced their intention to produce peer-reviewed studies on climate change in the wake of the Trump administration’s retreat from funding such research. “This effort aims to sustain the momentum of the sixth National Climate Assessment, the authors and staff of which were dismissed earlier this week by the Trump administration, almost a year into the process,” the American Meteorological Society and the American Geophysical Union said in their joint statement on Friday. The Trump administration laid off nearly 400 scientists from working on the NCA, which is mandated by Congress and due in 2027. “Our economy, our health, our society are all climate-dependent,” AMS President David Stensrud said, per The Guardian. “While we cannot replace the NCA, we at AMS see it as vital to support and help expand this collaborative scientific effort for the benefit of the U.S. public and the world at large.”
Hawaii passed a first-of-its-kind law on Friday that will increase the tax on hotels, vacation rentals, and cruise ships to raise money for climate resiliency projects. Officials say the new tax could generate as much as $100 million for the fund annually.
The administration can’t have it both ways on the Clean Air Act.
The Trump administration filed lawsuits this week against four states that are pursuing compensation from oil and gas companies for climate change-related damages. But Trump’s separate aim to revoke the government’s “endangerment finding,” the conclusion that greenhouse gases pose a threat to public health and should therefore be regulated under the Clean Air Act, could directly undercut the legal basis for the suits.
In each of the cases, the Trump administration is arguing that the Clean Air Act preempts the states’ actions. But if the Environmental Protection Agency rules that the Clean Air Act does not, in fact, require the federal regulation of greenhouse gases, that argument could fall apart.
Two of the lawsuits target Vermont and New York for their new “climate superfund” laws that require the companies responsible for the greatest amount of emissions over the last three decades to pay into a fund supporting adaptation and disaster response. The Department of Justice is also suing Hawaii and Michigan to block them from suing fossil fuel companies for damages for climate change-related harms. Neither state had actually filed such a lawsuit yet, although both had expressed interest in doing so. (Hawaii went ahead and filed its suit on Thursday night.)
“I just want to start by saying that these lawsuits by the government are totally unprecedented,” Rachel Rothschild, an assistant professor of Law at the University of Michigan, told me when we hopped on the phone. To her knowledge, never before has the federal government tried to preemptively stop a state from filing a liability case against companies.
In an executive order in early April, Trump had directed Attorney General Pam Bondi to “stop the enforcement” of state climate laws and actions that “may be unconstitutional” or “preempted by federal law.” The order singled out lawsuits against oil companies as well as climate superfund laws, calling both a form of “extortion” and a “threat to economic and national security.”
Nevermind that climate change is a major threat to economic and national security, and states have filed these lawsuits and created these laws because they are scrambling to find ways to pay to address the unprecedented damages brought by the increasing severity of wildfires and floods.
Even before Trump took office, Rothschild said, the federal government had warned states that they were going to need to take more responsibility for preparing for and responding to increasing natural disasters. “[States] do not have the resources alone to address this problem,” said Rothschild. “These companies have engaged in an activity that causes external harms that they’ve not taken into account as part of their business practices, they’'re imposing all the costs of those harms on states and citizens, and they should be liable to help us deal with the resulting problems. That’s a very normal activity for tort suits.”
Dozens of states have filed similar lawsuits seeking damages from oil companies. (A Justice Department press release did not say why it was singling out states that had not taken any legal action yet rather than targeting those that had.) Many of these lawsuits have been stuck in a holding pattern for years, though. “Climate superfund” laws are a new legal strategy, modeled on the federal superfund program, that some states are testing to get oil companies to pay up.
The DOJ’s lawsuits claim that states cannot fine oil companies for their emissions because that authority lies with the federal government under the Clean Air Act. That argument is underpinned by the Environmental Protection Agency’s endangerment finding, which stems from a 2007 Supreme Court ruling that greenhouse gases are a pollutant as defined by the Clean Air Act, and therefore the EPA must determine whether these emissions pose a threat to public health. The court said that if the agency finds there is enough scientific evidence to say greenhouse gases are harmful, it must develop regulations to rein them in. EPA officially made this finding in 2009.
This was a big headache for Trump during his first term. He wasn’t allowed to simply repeal Barack Obama’s greenhouse gas rules — by law, he had to replace them. If he’s able to reverse the endangerment finding, however, he could undo climate protection rules and that would be that.
At the same time, he’d make oil companies much more vulnerable. “There is great concern that reversing the finding would open the door to a lot more nuisance lawsuits against all types of energy companies,” Jeff Holmstead, a partner with Bracewell, a lobbying firm, told E&E News. “It would eliminate one of the best arguments that oil companies have used to get lawsuits against them dismissed,” he added.
EPA administrator Lee Zeldin will face an uphill battle in reversing the finding, as there is a mountain of scientific evidence that greenhouse gases cause dangerous climate change. But Zeldin may instead try to argue that the EPA did not consider the cost of addressing these emissions when it made the initial finding — and that the costs of reining them in outweigh the costs of emitting freely.
Legal experts are skeptical this argument will go anywhere, either. In 2012, the D.C. Circuit Court found that the EPA’s endangerment finding should be based on science, not economics. Cost-benefit analyses and other policy considerations are relevant if the EPA finds that greenhouse gases do, in fact, pose a threat, but they “do not inform the ‘scientific judgment’” that the law requires the EPA to make, the judge ruled. Meanwhile, the Supreme Court’s decision last year to overturn “Chevron deference,” a decades-long precedent that gave agencies broad authority to interpret their statutory mandates, could also hurt Zeldin’s case.
Rothschild, for her part, is confident that states’ superfund laws and tort suits are defensible regardless of what happens to the endangerment finding. These actions have nothing to do with the Clean Air Act, she argued, because they are not an attempt to regulate emissions. “They're trying to impose liability for local, environmental, and public health harms from past activities,” she said.
One thing is for certain: Between states’ lawsuits suing oil companies, oil companies’ countersuits, the DOJ’s new lawsuits against states, and probably future suits against any actions the Trump administration takes on endangerment, there’s going to be a whole lot of new case law about greenhouse gases over the next four years.