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The saga of the Greenhouse Gas Reduction Fund takes another turn.

On July 3, just after the House voted to send the reconciliation bill to Trump’s desk, a lawyer for the Department of Justice swiftly sent a letter to the U.S. Court of Appeals for the D.C. Circuit. Once Trump signed the One Big Beautiful Bill Act into law, the letter said, the group of nonprofits suing the government for canceling the biggest clean energy program in the country’s history would no longer have a case.
It was the latest salvo in the saga of the Greenhouse Gas Reduction Fund, former President Joe Biden’s green bank program, which current Environmental Protection Agency Administrator Lee Zeldin has made the target of his “gold bar” scandal. At stake is nearly $20 billion to fight climate change.
Congress created the program as part of the Inflation Reduction Act in 2022. It authorized Biden’s EPA to award that $20 billion to a handful of nonprofits that would then offer low-cost loans to individuals and organizations for solar installations, building efficiency upgrades, and other efforts to reduce emissions. The agency announced the recipients last summer, before its September deadline to get the funds out.
Then Trump took office and ordered his agency heads to pause and review all funding for Inflation Reduction Act programs.
In early March, buoyed by a covert video of a former EPA employee making an unfortunate and widely misunderstood comparison of the effort to award the funding to “throwing gold bars off the edge” of the Titanic, Zeldin notified the recipients that he was terminating their grant agreements. He cited “substantial concerns” regarding “program integrity, the award process, programmatic fraud, waste, and abuse, and misalignment with agency’s priorities.”
In court proceedings over the decision, the government has yet to cite any specific acts of fraud, waste, or abuse that justified the termination — a fact that the initial judge overseeing the case pointed out in mid-April when she ordered a preliminary injunction blocking the EPA from canceling the grants. But the EPA quickly appealed to the D.C. Circuit Court, which stayed the lower court’s injunction. The money remains frozen at Citibank, which had been overseeing its disbursement, as the parties await the appeals court’s decision.
As all of this was playing out, Congress wrote and passed the One Big Beautiful Bill Act. The new law rescinds the “unobligated” funding — money that hasn’t yet been spent or contracted out — from nearly 50 Inflation Reduction Act programs, including the Greenhouse Gas Reduction Fund. According to an estimate from the Congressional Budget Office, the remaining balance in the fund was just $19 million.
The Trump administration, however, is arguing in court that the OBBBA doesn’t just recoup that $19 million, but also the billions in awards at issue in the lawsuit. Congress has rescinded “the appropriated funds that plaintiffs sought to reinstate through this action,” Principal Deputy Assistant Attorney General Yaakov Roth wrote in his July 3 letter, implying that the awards were no longer officially “obligated” and that all of the money would have to be returned. Therefore, “it is more clear than ever that the district court’s preliminary injunction must be reversed,” he wrote.
Roth cited a statement that Shelley Moore Capito, chair of the Senate Environment and Public Works Committee, made on the floor of the Senate in June. She said she agreed with Zeldin’s decision to cancel the Greenhouse Gas Reduction Fund grants, and that it was Congress’ intent to rescind the funds that “had been obligated but were subsequently de-obligated” — about $17 billion in total. She did not acknowledge that Zeldin’s decision was being actively litigated in court.
On Monday, attorneys for the plaintiffs fired back with a message to the court that the reconciliation bill does not, in fact, change anything about the case. They argued that the EPA broke the law by canceling the grants, and that the OBBBA can’t retroactively absolve the agency. They also served up a conflicting statement that Capito made about the fund to Politico in November. “We’re not gonna go claw back money,” she said. “That’s a ridiculous thought.”
Capito’s colleague Sheldon Whitehouse, a Democrat, offered additional evidence on the floor of the Senate Wednesday. He cited the Congressional Budget Office’s score of the repeal of the program of $19 million, noting that it was the amount “EPA had remaining to oversee the program” and that “at no point in our discussions with the majority, directly or in our several conversations with the Parliamentarian, was this score disputed.” Whitehouse also called up a previous statement made by Republican Representative Morgan Griffith, a member of the House Energy and Commerce Committee, during a markup of the bill. “I just want to point out that these provisions that we are talking about only apply as far, as this bill is concerned, to the unobligated balances,” Griffith said.
Regardless, it will be up to the D.C. Circuit Court as to whether the lower court’s injunction was warranted. If it agrees, the nonprofit awardees may still, in fact, be able to get the money flowing for clean energy projects.
“Wishful thinking on the part of DOJ does not moot the ongoing litigation,” Whitehouse said.
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Rob takes Jesse through our battery of questions.
Every year, Heatmap asks dozens of climate scientists, officials, and business leaders the same set of questions. It’s an act of temperature-taking we call our Insiders Survey — and our 2026 edition is live now.
In this week’s Shift Key episode, Rob puts Jesse through the survey wringer. What is the most exciting climate tech company? Are data centers slowing down decarbonization? And will a country attempt the global deployment of solar radiation management within the next decade? It’s a fun one! Shift Key is hosted by Robinson Meyer, the founding executive editor of Heatmap, and Jesse Jenkins, a professor of energy systems engineering at Princeton University.
Subscribe to “Shift Key” and find this episode on Apple Podcasts, Spotify, Amazon, or wherever you get your podcasts.
You can also add the show’s RSS feed to your podcast app to follow us directly.
Here is an excerpt from our conversation:
Robinson Meyer: Next question — you have to pick one, and then you’ll get a free response section. Do you think AI and data centers energy needs are significantly slowing down decarbonization, yes or no?
Jesse Jenkins: Significantly. Yeah, I guess significantly would … yes, I think so. I think in general, the challenge we have with decarbonization is we have to add new, clean supplies of energy faster than demand growth. And so, in order to make progress on existing emissions, you have to exceed the demand growth, meet all of that growth with clean resources, and then start to drive down emissions.
If you look at what we’ve talked about — are China’s emissions peaking, or global emissions peaking? I mean, that really is a game. It’s a race between how fast we can add clean supply and how fast demand for energy’s growing. And so in the power sector in particular, an area where we’ve made the most progress in recent years in cutting emissions, now having a large, and rapid growth in electricity demand for a whole new sector of the economy — and one that doesn’t directly contribute to decarbonization, like, say, in contrast to electric vehicles or electrifying heating —certainly makes things harder. It just makes that you have to run that race even faster.
I would say in the U.S. context in particular, in a combination of the Trump policy environment, we are not keeping pace, right? We are not going to be able to both meet the large demand growth and eat into the substantial remaining emissions that we have from coal and gas in our power sector. And in particular, I think we’re going to see a lot more coal generation over the next decade than we would’ve otherwise without both AI and without the repeal of the Biden-era EPA regulations, which were going to really drive the entire coal fleet into a moment of truth, right? Are they gonna retrofit for carbon capture? Are they going to retire? Was basically their option, by 2035.
And so without that, we still have on the order of 150 gigawatts of coal-fired power plants in the United States, and many of those were on the way out, and I think they’re getting a second lease on life because of the fact that demand for energy and particularly capacity are growing so rapidly that a lot of them are now saying, Hey, you know what, we can actually make quite a bit of money if we stick around for another 5, 10, 15 years. So yeah, I’d say that’s significantly harder.
That isn’t an indictment to say we shouldn’t do AI. It’s happening. It’s valuable, and we need to meet as much, if not all of that growth with clean energy. But then we still have to try to go faster, and that’s the key.
Mentioned:
This year’s Heatmap Insiders Survey
Last year’s Heatmap Insiders Survey
The best PDF Jesse read this year: Flexible Data Centers: A Faster, More Affordable Path to Power
The best PDF Rob read this year: George Marshall’s Guide to Merleau-Ponty's Phenomenology of Perception
This episode of Shift Key is sponsored by …
Heatmap Pro brings all of our research, reporting, and insights down to the local level. The software platform tracks all local opposition to clean energy and data centers, forecasts community sentiment, and guides data-driven engagement campaigns. Book a demo today to see the premier intelligence platform for project permitting and community engagement.
Music for Shift Key is by Adam Kromelow.
They still want to decarbonize, but they’re over the jargon.
Where does the fight to decarbonize the global economy go from here? The past 12 months, after all, have been bleak. Donald Trump has pulled the United States out of the Paris Agreement (again) and is trying to leave a precursor United Nations climate treaty, as well. He ripped out half the Inflation Reduction Act, sidetracked the Environmental Protection Administration, and rechristened the Energy Department’s in-house bank in the name of “energy dominance.” Even nonpartisan weather research — like that conducted by the National Center for Atmospheric Research — is getting shut down by Trump’s ideologues. And in the days before we went to press, Trump invaded Venezuela with the explicit goal (he claims) of taking its oil.
Abroad, the picture hardly seems rosier. China’s new climate pledge struck many observers as underwhelming. Mark Carney, who once led the effort to decarbonize global finance, won Canada’s premiership after promising to lift parts of that country’s carbon tax — then struck a “grand bargain” with fossiliferous Alberta. Even Europe seems to dither between its climate goals, its economic security, and the need for faster growth.
Now would be a good time, we thought, for an industry-wide check-in. So we called up 55 of the most discerning and often disputatious voices in climate and clean energy — the scientists, researchers, innovators, and reformers who are already shaping our climate future. Some of them led the Biden administration’s climate policy from within the White House; others are harsh or heterodox critics of mainstream environmentalism. And a few more are on the front lines right now, tasked with responding to Trump’s policies from the halls of Congress — or the ivory minarets of academia.
We asked them all the same questions, including: Which key decarbonization technology is not ready for primetime? Who in the Trump administration has been the worst for decarbonization? And how hot is the planet set to get in 2100, really? (Among other queries.) Their answers — as summarized and tabulated by my colleagues — are available in these pages.
You can see whether insiders think data centers are slowing down decarbonization and what folks have learned (or, at least, say they’ve learned) from the repeal of clean energy tax credits in the Inflation Reduction Act.
But from many different respondents, a mood emerged: a kind of exhaustion with “climate” as the right frame through which to understand the fractious mixture of electrification, pollution reduction, clean energy development, and other goals that people who care about climate change actually pursue. When we asked what piece of climate jargon people would most like to ban, we expected most answers to dwell on the various colors of hydrogen (green, blue, orange, chartreuse), perhaps, or the alphabet soup of acronyms around carbon removal (CDR, DAC, CCS, CCUS, MRV). Instead, we got:
“‘Climate.’ Literally the word climate, I would just get rid of it completely,” one venture capitalist told us. “I would love to see people not use 'climate change' as a predominant way to talk to people about a global challenge like this,” seconded a former Washington official. “And who knows what a ‘greenhouse gas emission’ is in the real world?” A lobbyist agreed: “Climate change, unfortunately, has become too politicized … I’d rather talk about decarbonization than climate change.”
Not everyone was as willing to shift to decarbonization, but most welcomed some form of specificity. “I’ve always tried to reframe climate change to be more personal and to recognize it is literally the biggest health challenge of our lives,” the former official said. The VC said we should “get back to the basics of, are you in the energy business? Are you in the agriculture business? Are you in transportation, logistics, manufacturing?”
“You're in a business,” they added, “there is no climate business.”
Not everyone hated “climate” quite as much — but others mentioned a phrase including the word. One think tanker wanted to nix “climate emergency.” Another scholar said: “I think the ‘climate justice’ term — not the idea — but I think the term got spread so widely that it became kind of difficult to understand what it was even referring to.” And one climate scientist didn’t have a problem with climate change, per se, but did say that people should pare back how they discuss it and back off “the notion that climate change will result in human extinction, or the sudden and imminent end to human civilization.”
There were other points of agreement. Four people wanted to ban “net zero” or “carbon neutrality.” One scientist said activists should back off fossil gas — “I know we’re always trying to try convince people of something, but, like, the entire world calls it ’natural gas’” — and another scientist said that they wished people would stop “micromanaging” language: “People continually changing jargon to try and find the magic words that make something different than it is — that annoys me.”
Two more academics added they wish to banish discussion of “overshoot”: “It’s not clear if it's referring to temperatures or emissions — I just don't think it's a helpful frame for thinking about the problem.”
“Unit economics,” “greenwashing,” and — yes — the whole spectrum of hydrogen colors came in for a lashing. But perhaps the most distinctive ban suggestion came from Todd Stern, the former chief U.S. climate diplomat, who negotiated the Kyoto Protocol and the Paris Agreement.
“I hate it when people say ’are you going to COP?’” he told me, referring to the United Nations’ annual climate summit, officially known as the Conference of the Parties. His issue wasn’t calling it “COP,” he clarified. It was dropping the definite article.
“The way I see it, no one has the right to suddenly become such intimate pals with ‘COP.’ You go to the ball game or the conference or what have you. And you go to ‘the COP,’” he said. “I am clearly losing this battle, but no one will ever hear me drop the ‘the.’”
Now, since I talked to Stern, the United States has moved to drop the COP entirely — with or without the “the” — because Trump took us out of the climate treaty under whose aegis the COP is held. But precision still counts, even in unfriendly times. And throughout the rest of this package, you’ll find insiders trying to find a path forward in thoughtful, insightful, and precise ways.
You’ll also find them remaining surprisingly upbeat — and even more optimistic, in some ways, than they were last year. Twelve months ago, 30% of our insider panel thought China would peak its emissions in the 2020s; this year, a plurality said the peak would come this decade. Roughly the same share of respondents this year as last year thought the U.S. would hit net zero in the 2060s. Trump might be setting back American climate action in the near term. But some of the most important long-term trends remain unchanged.
OUR PANEL INCLUDED… Gavin Schmidt, director of the NASA Goddard Institute for Space Studies | Ken Caldeira, senior scientist emeritus at the Carnegie Institution for Science and visiting scholar at Stanford University | Kate Marvel, research physicist at the NASA Goddard Institute for Space Studies | Holly Jean Buck, associate professor of environment and sustainability at the University at Buffalo | Kim Cobb, climate scientist and director of the Institute at Brown for Environment and Society | Jennifer Wilcox, chemical engineering professor at the University of Pennsylvania and former U.S. Assistant Secretary for Fossil Energy and Carbon Management | Michael Greenstone, economist and director of the Energy Policy Institute at the University of Chicago | Solomon Hsiang, professor of global environmental policy at Stanford University | Chris Bataille, global fellow at Columbia University’s Center on Global Energy Policy | Danny Cullenward, senior fellow at the Kleinman Center for Energy Policy at the University of Pennsylvania | J. Mijin Cha, environmental studies professor at UC Santa Cruz and fellow at Cornell University’s Climate Jobs Institute | Lynne Kiesling, director of the Institute for Regulatory Law and Economics at Northwestern University | Daniel Swain, climate scientist at the University of California Agriculture and Natural Resources | Emily Grubert, sustainable energy policy professor at the University of Notre Dame | Jon Norman, president of Hydrostor | Chris Creed, managing partner at Galvanize Climate Solutions | Amy Heart, senior vice president of public policy at Sunrun | Kate Brandt, chief sustainability officer at Google | Sophie Purdom, managing partner at Planeteer Capital and co-founder of CTVC | Lara Pierpoint, managing director at Trellis Climate | Andrew Beebe, managing director at Obvious Ventures | Gabriel Kra, managing director and co-founder of Prelude Ventures | Joe Goodman, managing partner and co-founder of VoLo Earth Ventures | Erika Reinhardt, executive director and co-founder of Spark Climate Solutions | Dawn Lippert, founder and CEO of Elemental Impact and general partner at Earthshot Ventures | Rajesh Swaminathan, partner at Khosla Ventures | Rob Davies, CEO of Sublime Systems | John Arnold, philanthropist and co-founder of Arnold Ventures | Gabe Kleinman, operating partner at Emerson Collective | Amy Duffuor, co-founder and general partner at Azolla Ventures | Amy Francetic, managing general partner and founder of Buoyant Ventures | Tom Chi, founding partner at At One Ventures | Francis O’Sullivan, managing director at S2G Investments | Cooper Rinzler, partner at Breakthrough Energy Ventures | Gina McCarthy, former administrator of the U.S. Environmental Protection Agency | Neil Chatterjee, former commissioner of the Federal Energy Regulatory Commission | Representative Scott Peters, member of the U.S. House of Representatives | Todd Stern, former U.S. special envoy for climate change | Representative Sean Casten, member of the U.S. House of Representatives | Representative Mike Levin, member of the U.S. House of Representatives | Zeke Hausfather, climate research lead at Stripe and research scientist at Berkeley Earth | Shuchi Talati, founder and executive director of the Alliance for Just Deliberation on Solar Geoengineering | Nat Bullard, co-founder of Halcyon | Bill McKibben, environmentalist and founder of 350.org | Ilaria Mazzocco, senior fellow at the Center for Strategic and International Studies | Leah Stokes, professor of environmental politics at UC Santa Barbara | Noah Kaufman, senior research scholar at Columbia University’s Center on Global Energy Policy | Arvind Ravikumar, energy systems professor at the University of Texas at Austin | Jessica Green, political scientist at the University of Toronto | Jonas Nahm, energy policy professor at Johns Hopkins SAIS | Armond Cohen, executive director of the Clean Air Task Force | Costa Samaras, director of the Scott Institute for Energy Innovation at Carnegie Mellon University | John Larsen, partner at Rhodium Group | Alex Trembath, executive director of the Breakthrough Institute | Alex Flint, executive director of the Alliance for Market Solutions
The Heatmap Insiders Survey of 55 invited expert respondents was conducted by Heatmap News reporters during November and December 2025. Responses were collected via phone interviews. All participants were given the opportunity to record responses anonymously. Not all respondents answered all questions.
Plus, which is the best hyperscaler on climate — and which is the worst?
The biggest story in energy right now is data centers.
After decades of slow load growth, forecasters are almost competing with each other to predict the most eye-popping figure for how much new electricity demand data centers will add to the grid. And with the existing electricity system with its backbone of natural gas, more data centers could mean higher emissions.
Hyperscalers with sustainability goals are already reporting higher emissions, and technology companies are telling investors that they plan to invest hundreds of billions, if not trillions of dollars, into new data centers, increasingly at gigawatt scale.
And yet when we asked our Heatmap survey participants “Do you think AI and data centers’ energy needs are significantly slowing down decarbonization?” only about 34% said they would, compared to 66% who said they wouldn’t.
There were some intriguing differences between different types of respondents. Among our “innovator” respondents — venture capitalists, founders, and executives working at climate tech startups — the overwhelming majority said that AI and data centers are not slowing down decarbonization. “I think it’s the inverse — I think we want to launch the next generation of technologies when there’s demand growth and opportunity to sell into a slightly higher priced, non-commoditized market,” Joe Goodman co-founder and managing partner at VoLo Earth Ventures, told us.
Not everyone in Silicon Valley is so optimistic, however. “I think in a different political environment, it may have been a true accelerant,” one VC told us. “But in this political environment, it’s a true albatross because it’s creating so many more emissions. It’s creating so much stress on the grid. We’re not deploying the kinds of solutions that would be effective."
Scientists were least in agreement on the question. While only 47% of scientists thought the growth of data centers would significantly slow down decarbonization, most of the pessimistic camp was in the social sciences. In total, over 62% of the physical scientists we surveyed thought data centers weren’t slowing down decarbonization, compared to a third of social scientists.
Michael Greenstone, a University of Chicago economist, told us he didn’t see data centers and artificial intelligence as any different from any other use of energy. “I also think air conditioning and lighting, computing, and 57,000 other uses of electricity are slowing down decarbonization,” he said. The real answer is the world is not trying to minimize climate change.”
Mijin Cha, an assistant professor of environment studies at the University of California Santa Cruz, was even more gloomy, telling us, “Not only do I think it’s slowing down decarbonization, I think it is permanently extending the life of fossil fuels, especially as it is now unmitigated growth.”
Some took issue with the premise of the question, expressing skepticism of the entire AI industry. “I’m actually of the opinion that most of the AI and data center plans are a massive bubble,” a scientist told us. “And so, are there plans that would be disruptive to emissions? Yes. Are they actually doing anything to emissions yet? Not obvious.”
We also asked respondents to name the “best” and “worst” hyperscalers, large technology companies pursuing the data center buildout. Many of these companies have some kind of renewables or sustainability goal, but there are meaningful differences among them. Google and Microsoft look to match their emissions with non-carbon-power generation in the same geographic area and at the same time. The approach used by Meta and Amazon, on the other hand, is to develop renewable projects that have the biggest “bang for the buck” on global emissions by siting them in areas with high emissions that the renewable generation can be said to displace.
Among our respondents, the 24/7 “time and place” approach is the clear winner.
Google was the “best” pick for 19 respondents, including six who said “Google and Microsoft.” By contrast, Amazon and Meta had just three votes combined.
As for the “worst,” there was no clear consensus, although two respondents from the social sciences picked “everyone besides Microsoft and Google” and “everyone but Google and Microsoft.” Another one told us, “The best is a tie between Microsoft and Google. Everyone else is in the bottom category.”
A third social scientist summed it up even more pungently. “Google is the best, Meta is the worst. Evil corporation” — though with more expletives than that.
The Heatmap Insiders Survey of 55 invited expert respondents was conducted by Heatmap News reporters during November and December 2025. Responses were collected via phone interviews. All participants were given the opportunity to record responses anonymously. Not all respondents answered all questions.