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Climate

What Climate Insiders See for 2025, the Trump Era, and Beyond

The results of Heatmap’s very first insiders survey.

Donald Trump.
Heatmap Illustration/Getty Images

Most climate insiders don’t expect the Inflation Reduction Act to get repealed. They don’t foresee the world’s temperature rising more than 3 degrees Celsius by 2100, and they are bullish on hot rocks and geothermal.

Those are the findings from our exclusive — and highly unscientific — survey of climate and decarbonization insiders. Over the past few weeks, Heatmap has queried more than 30 climate insiders across policy, science, technology, and economics, including high-profile energy entrepreneurs, high-rolling “climate tech” venture capitalists, and some high-ranking (and very-soon-to-be-former) Biden officials.

We wanted to know what they’re thinking about the era to come — and about how they would handle some of the biggest questions that plagued climate policy during the Biden era: Will Congress pass permitting reform? Is there a trade-off between developing artificial intelligence and decarbonizing the power grid? And how would you balance China’s dominance over certain clean technologies — and the need for the American economy, and the American military, to stay competitive? We got a lot of answers. Here’s what they told us…

What’s the most important, exciting, or promising climate tech company working today?

Folks were bullish about geothermal, hot rocks, and batteries. Five respondents mentioned Fervo, the advanced geothermal company that borrows techniques (and workers) from the fracking industry. Three said Form Energy, which makes cheap iron-air batteries for the power grid; several mentioned Rondo or Antora, which produce thermal batteries that can store and release huge amounts of heat. “The real answer I can't disclose yet, but there is the one,” said a prominent climate tech investor. Get real, replied a policy researcher: The only “climate tech” company today with a claim to be the most important is Chinese EV juggernaut BYD.

In your opinion, what key decarbonization product is furthest from being ready for prime time?

Really good heat pumps, said the most respondents, tied with any way to make chemicals, liquid fuels, or plastics in a low-carbon way. A close second: Virtually anything that could be used to decarbonize apartment or multifamily residential buildings. “From the perspective of an apartment-dweller in a large shared building, it seems almost impossible to get buy-in for building decarbonization,” said one climate scientist. “I know ‘convince a landlord/co-op/condo board to do something’ doesn't have a technological solution, but it's the biggest stumbling block.”

What’s the piece of climate jargon you wish you could ban?

Brown hydrogen, green hydrogen, blue hydrogen — it doesn’t matter, throw them all out. Sixteen percent of respondents, including an energy researcher and a climate tech VC, wanted to ditch “the hydrogen rainbow.” “Tipping points,” said one climate scientist. Another climate scientist told us: “Climate crisis, climate emergency, global heating: anything that implies the primary impediment to cutting emissions is scientists using the wrong word.” “Three pillars,” said a former Biden official. “Levelized cost of energy, or LCOE,” said a climate entrepreneur. “It so oversimplifies the way the grid actually works and how electricity is valued that it does more harm than good.” Carbon accounting, carbon footprint, and anything else that makes us think our current emissions are the most important thing to our future success,” said another VC.

Do you think AI and data centers’ energy needs are significantly slowing down decarbonization?

Nearly two-thirds of respondents, spanning every field we queried, said that AI and data center growth isn’t hindering decarbonization … yet. And among the 35% of insiders who answered yes, most also framed their concerns in future terms. “Perhaps not at present, nor over the last few years, but the trajectory is alarming and I do believe they could derail emissions goals at scale within the next 5 years,” said one climate scientist. “Seems like there are plenty of reports of new gas capacity being added,” agreed another researcher. “On the other hand … we would need so much more capacity for hydrogen, electrification of transport and homes, etc., so I'm not sure why we are so worried about AI in the scheme of all the new and upcoming needs for electricity.” “Hot take: AI isn't worried about energy, but energy is worried about AI,” interjected a climate tech VC.

Some of Biden’s policymakers felt like they had to choose between making immediate emissions reductions and preserving America’s economic or military competitiveness with China. Does this tradeoff exist, and how should officials handle it?

Exactly half of our insiders said: Nope, this tradeoff almost never actually exists. Among the other half, insiders said policymakers should be pragmatic, and only a few said that they should focus on cutting emissions at all costs. “They should do whatever is required to maintain and accelerate political ambition on climate,” said a climate philanthropist. “They should have prioritized social justice issues less,” said one climate tech CEO. “It is never a fair commercial fight with China since our companies are always up against the Chinese state,” said a former U.S. government official. “But it would be a big mistake to allow China to dominate green tech and supply chains — as they would like to do — since that would create an untenable dependence on a country that never hesitates to weaponize its economic advantage. But the imperative to decarbonize is massively important.”

Should a future administration allow Chinese companies, like BYD or Xiaomi, to sell Chinese-made electric vehicles in the United States?

Forty-five percent of respondents said that yes, we should let the EV imports rip. A few researchers and former Biden officials added a twist: “Yes, but only if they are made in the USA.” Others thought that the U.S. should import the cars, but only with a carbon adjustment tariff and a huge investment in U.S. EV manufacturing. “If there were CBAM and other tariffs meant to reflect the imbalance of environmental and labor regulations, then yes,” said one VC. “But then the cars wouldn’t be that competitive.” Almost everyone else said no.

Will the Trump administration repeal most climate provisions in the Inflation Reduction Act?

NOPE, said 68% of the insiders. (About 17% said yes, and 15% weren’t sure or thought a minority of the grants might get clawed back.) “I expect it will go after some provisions, but there is quite a bit in the IRA that will be very difficult to repeal since large-scale clean energy investments have been made, and a majority of those in red states whose politicians will not want to give them up,” said one former U.S. official. “A lot of money has already gone out, so I'm guessing the money for EJ initiatives and communities is most at risk,” said a climate researcher. One Biden official threw down the gauntlet: “None of the measures will get repealed. Even unspent money will largely be safe.”

Will a major permitting reform law — on par with Senators John Barrasso and Joe Manchin’s effort last year — pass in the next four years?

YES, said 59% of insiders. NO, said 41%. “I hope not. That bill sucked,” said a researcher.

What piece of news from the past year made you most optimistic about our ability to decarbonize?

“Europe pushing ahead with nuclear energy. Paradigm shifts are possible,” said one energy researcher. “Trump's picks for Energy and Interior could have been much worse,” said another. A former Biden official said that the American Petroleum Institute’s decision to back the IRA was a good sign — and an economist noted the dozen House Republicans opposing repeal encouraged him, too. “Corporates’ willingness to procure clean electrons at a ‘green premium’ for their AI energy demands,” said a climate tech VC.

How much will global average temperatures have risen by 2100?

“Oh dear,” said one researcher. The average of insiders’ answers were 2.8 degrees Celsius, with the highest guesses going up to 3.5 degrees Celsius. A few respondents said 2 degrees Celsius, but only because they thought humanity will have the ability to modulate temperatures by then. “If we don't do anything, I think 3 to 4 degrees,” said another. “We will be able to control global temperatures before we achieve net zero, so by 2100 if civilization is still healthy we will have settled at some optimal temperature,” said another VC.

In what decade will China’s emissions peak?

Some experts believe that the world’s biggest polluter has already hit peak greenhouse gas emissions. Our panelists weren’t so sure: 30% of respondents each said that China’s pollution would peak in the 2020s, 2030s, and 2040s, respectively. The remainder would look to 2050 or beyond.

In what decade will the United States reach net zero?

Unlike China, America’s emissions have already peaked. (They did that more than a decade ago, around the Great Recession.) So U.S. policy makers now plan for the arrival of net zero, the hypothesized future date when the American economy will emit roughly as much climate pollution as it absorbs. While respondents were split on when that might happen, most see it emerging in the 2050s or 2060s.

How are you feeling about the year — and the era — to come?

It’s time to focus on climate impacts, which are coming regardless of what happens with emissions, said many. “In the age of Trump, we need to think more about resilience. Preparing ourselves to deal with the weather variability we are seeing already (e.g., California fires, Florida hurricanes, Colorado River drought years) will put us in a much better position to deal with climate change,” a climate scientist added. “I think 2025 is a year that we will start to see adaptation technologies/approaches and solar geoengineering start playing much larger roles in the climate response policy portfolio,” one researcher-activist told us.

But the climate tech industry is upbeat: “It's an optimistic time for climate tech,” one climate tech CEO said. “The return of climate-tech funding in the last 5 years has allowed a lot of ideas to be tried, and there is now enough data on what is working and what is not. The good news is that there is more than enough in the ‘working’ column to move full speed ahead.” And a climate VC agreed: “The second Trump administration will see more acceleration for industrial climate tech than the Biden years.” “The United States has better technology than any country in the world,” said a Biden official. “Biden’s policies combined with America First messaging will forever dispel the myth that China has any sort of technology lead by 2028 … emissions will go down faster during the Trump administration than they did in the Biden administration because deployment has been positioned to reach all time highs starting in 2026.”

Yet some saw risks for the world ahead. “The most important stories for climate action in 2025 have less to do with climate and more to do with geoeconomic competition,” said one public policy expert. Trade fragmentation may drive prices up and slow innovation, greatly delaying technology diffusion and deployment. And there is a major risk of continued or worsened conflict — the greatest risk being China's positioning vis a vis the Pacific and Taiwan.”


OUR PANEL INCLUDED… Gavin Schmidt, British climatologist | Jennifer Wilcox, University of Pennsylvania chemical engineering professor and former U.S. Assistant Secretary for Fossil Energy and Carbon Management | Kim Cobb, coral scientist and director of the Institute at Brown for Environment and Society | Tim Latimer, chief executive of Fervo Energy | Clay Dumas, founding partner at Lowercarbon Capital | Holly Jean Buck, environment professor at University at Buffalo | J. Mijin Cha, environmental studies professor at UC Santa Cruz | Zeke Hausfather, climate scientist | Ken Caldeira, senior scientist emeritus at Carnegie Science | Apoorv Bhargava, chief executive at Weavegrid | Todd Stern, former U.S. special envoy for climate change | Jigar Shah, U.S. Loan Programs Office director | Jesse Jenkins, energy systems professor at Princeton | Peter Reinhardt, CEO of Charm Industrial | Amy Francetic, managing general partner at Buoyant Ventures | Jane Flegal, executive director at Blue Horizons Foundation | Shuchi Talati, executive director at the Alliance for Just Deliberation on Solar Geoengineering… and many more …

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