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The country’s underwhelming new climate pledge is more than just bad news for the world — it reveals a serious governing mistake.

Five years ago, China’s longtime leader Xi Jinping shocked and delighted the world by declaring in a video presentation to the United Nations that his country would peak its carbon emissions this decade and achieve carbon neutrality by 2060. He tried to rekindle that magic late last month in another virtual address to the UN, announcing China’s updated pledge under the Paris Agreement.
This time, the reaction was far more tepid. Given the disastrous state of American climate policy under President Donald Trump, some observers declared — as the longtime expert Li Shuo did in The New York Times — that China is “the adult in the room on climate now.” Most others were disappointed, arguing that China had merely “played it safe” and pointing out the new pledge “falls well short” of what’s needed to hit the Paris Agreement’s targets.
Yet China’s dithering is more than just an environmental failure — it is a governing mistake. China’s weak climate pledge isn’t just bad news for the world; it shows an indecisive leadership that is undermining its country’s own competitiveness by sticking with dirty coal rather than transitioning rapidly to a cleaner future.
The new pledge — known in UN jargon as a nationally determined contribution, or NDC — reveals a disconnect between the government’s official position and the optimistic discourse that now surrounds China’s clean energy sector. China today is described as the world’s first electrostate; it stands at the vanguard of the solar and EV revolution, some say, ready to remake the world order against a coalition of petrostate dinosaurs.
The NDC makes it obvious that the Chinese government does not yet view itself in such a fashion. China might look like an adult, but it more closely resembles a gangly teenager who is still getting used to their body after a growth spurt. As the analyst Kingsmill Bond recently put it on Heatmap’s podcast Shift Key, Chinese clean tech manufacturers have unlocked a cleaner and cheaper path to economic development. It isn’t yet clear that China is brave enough to commit to it. If China is the adult in the room, in other words, we’re screwed.
Let’s start by giving credit where due. For a country that had never offered an absolute emissions reduction target before, Xi’s promise — to cut emissions by 7% to 10% by 2035 — is a kind of progress. But observers expected China to go much further. Researchers at the University of Maryland and the Center for Research on Clean Air, for example, each suggested that emissions could decline by roughly 30% by that year. Only a reduction of this magnitude would actually keep the planet on a trajectory sufficiently close to the Paris Agreement’s goal to limit warming to 2 degrees Celsius.
Many inside China’s policy apparatus considered such ambitious cuts to be infeasible; for instance, Teng Fei, deputy director of Tsinghua University’s Institute of Energy, Environment and Economy, described a 30% reduction as “extreme.” Conversations with knowledgeable insiders, however, suggested a headline reduction of up to 15% was viewed as plausible. In that light, the decision to commit a mere 7% to 10% can only be seen as disappointing.
The NDC obviously represents a floor and not a ceiling, and China has historically only made climate promises that it knows it will keep. But even then, China’s leadership has given itself tremendous wiggle room. This can be seen in part by what is not in Xi’s pledge: any firm commitment about when, exactly, China’s emissions will peak. (His previous pledge only said that it would happen in the 2020s.) While it’s quite possible that 2024 or 2025 will end up being the peak, as some expect, the new pledge creates a perverse incentive to delay and pollute more now. The speech also contained little on non-CO2 greenhouse gases such as methane and nitrous oxide — which, given China’s previous commitment to reach net zero on all warming gases by 2060, seems like a significant blind spot.
Other commitments are only impressive until you scratch the surface. Xi pledged that China would install 3,600 gigawatts of solar and wind capacity by 2035. That may sound daunting: The United States, the world’s No. 2 country for renewables capacity, has a combined 400 gigawatts of solar and wind. But China already has about 1,600 gigawatts installed. So China’s promise, in essence, is to add around 200 gigawatts of solar and wind each year until 2035 — and while that would be a huge number for any other country, it actually represents a significant slowdown for China. The country added 360 gigawatts of wind and solar combined last year, and has already installed more than 200 gigawatts of solar alone in the first eight months of this one. In this light, China’s renewables pledge seems ominous.
More distressingly for climate action, it is unclear if this comparatively slower pace of clean electricity addition will actually allow China’s electricity sector to decarbonize. As the electricity analyst David Fishman has noted, China’s overall electricity demand grew faster than its clean electricity generation last year, leaving a roughly 100 terawatt-hour gap — despite all that new solar and wind (and despite 16 gigawatts of new nuclear and hydroelectric power plants, too). Coal filled this gap. Last year, China began construction of almost 100 gigawatts of new coal plants even though its existing coal fleet already operates less than half of the time. These new plants represented more than 90% of the world’s new coal capacity in 2024.
China’s climate strategy — like every other country’s — requires electrifying large swaths of its economy. If new renewables diminish to only 200 gigawatts a year, then it seems implausible that its renewable additions could meet demand growth — let alone eat away substantial amounts of coal-fired generation — unless its economic growth significantly slows.
Yet the news gets worse. Taken alone, the NDC’s weakness may speak of mere caution on China’s part, yet a number of policy changes to China’s electricity markets and industrial policy over the past year suggest its government is now slow-walking the energy transition.
In 2024, for instance, China started making capacity payments to coal-fired power plants. These payments were ostensibly designed to lubricate a plant’s economics as it shifted from 24/7 operation to a supporting role backing up wind and solar. Yet only coal plants — and not, for instance, batteries — were offered these funds, even though batteries can play a similar role more cheaply and China already makes them in scads. Even more striking, coal plants have been pocketing these funds without changing their behavior or even producing less electricity
At the same time, China’s central leadership has cut the revenues that new solar and wind farms receive from generating power. New solar and wind plants are now scheduled to receive less than the same benchmark price that coal receives — although the details of that discount vary by province and remain uncertain in most of them. Observers hope that this lower price, along with a more market-based dispatch scheme, will eventually allow renewables-heavy electricity systems to charge lower rates to consumers and displace more expensive coal power. However, there’s little clarity on if and when that will happen, and in the meantime, new renewables installations are plummeting as developers wait for more information to emerge.
Chinese industrial policy is exacerbating these trends. The world has long talked about Chinese overcapacity. Now even conversation in the Western media has progressed to discussing “involution” — a broader term that centers on the intensive competition that characterizes Chinese capitalism (and society). It suggests that Chinese firms are competing themselves out of business.
The market-leader BYD, for instance, has become synonymous with the Chinese battery-powered auto renaissance, but there are fears that even this seeming titan might have corrupted itself on the way. The company has larded an incredible amount of debt onto its books to fuel its race to the top of the sales charts; now, murmurs abound that the firm might be “the Evergrande of EVs” — a reference to the housing developer that collapsed into bankruptcy earlier this decade with hundreds of billions of dollars in debt. In recent months, BYD’s engine seems to be sputtering, with sales dropping in September 2025 compared with last year.
As such, the government has come in to try to negotiate new terms of competition so that firms do not end up doing irreparable harm to themselves and their future prospects. It is doing so in other sectors as well: In solar, it has tried to create a cartel of polysilicon manufacturers, a solar OPEC of sorts, to make sure that the pricing of that key input to the photovoltaic supply chain is at a level where the producers can survive.
This may all seem positive — and there is certainly an argument that the government could play a role in helping these new sectors negotiate the difficult waters that they find themselves in. But I interpret these efforts as further slow-walking of the energy transition. A slight reframing can help to understand why.
What is literally happening in these meetings? The government is bringing private actors into the same room to bang their heads together and deal with the reality that the current economic system is not working, largely because of intense competition — a problem likely best solved by forcing some of the firms and production capacity to shrink. Firms are unprofitable because exuberant supply has zoomed past current demand, and the country’s markets and politics are not prepared to navigate the potentially needed bankruptcies or their fallout. So the government is intervening, designing actions to generate the outcomes it desires.
Yet there is something contradictory about the government’s approach. A decarbonized world, after all, will be a world without significant numbers of internal combustion vehicles, so traditional automakers will eventually need to shut down or shift into EVs — yet their executives aren’t being dragged in for the same scolding. Likewise, a decarbonized world will be a world without as many coal mines and coal-fired power plants. Firms in the power sector should be scolded for continuing coal production at scale.
These are problems of the mid-transition, as the scholars Emily Grubert and Sara Hastings-Simon have described decarbonization’s current era. But China is further along in this transition than other states, and it could lead in the management and planning required for the transition as well.
China is stuck. For four decades, China’s growth rested on moving abundant cheap labor from low-productivity agriculture to higher productivity sectors, often in urban areas. The physical construction of China’s cities underpinned this development and became its own distorting bubble, launching a cycle of real-estate speculation. The government pricked this bubble in 2020, but since then, Chinese macroeconomic strength has failed to return.
Despite the glimmering nature of its most modern cities, China remains decidedly middle income, with a GDP per capita equivalent to Serbia. Many countries that have grown out of poverty have reached this middle income territory — but then become mired there rather than continuing to develop. This pattern, described as “the middle income trap,” has worried Chinese policymakers for years.
The country is obviously hoping that its new clean industries can offer a substitute motor to power China out of its middle-income status. Its leadership’s apparent decision to slow walk the energy transition, however, looks like a classic example of this “trap.” The leadership seems unwilling to jettison older industries in favor of the higher-value added industries of the future. The fact that the government has previously subsidized these industries just shows the complexity of the political economy challenges facing the regime.
The NDC’s announcement could be seen as an easy win given Trump’s climate backwardness. Clearly that’s what Xi was counting on. But China is too important to be understood only in contrast to the United States — and we should not applaud something that not only fails to recognize global climate targets, but also underplays China’s own development strategy. The country is nearing the release of its next five-year plan. Perhaps that document will incorporate more ambitious targets for the energy transition and decarbonization.
This summer, I visited Ordos in Inner Mongolia, a coal mining region that is now also home to some of China’s huge renewable energy megabases and a zero-carbon industrial park. Tens of thousands still labor in Ordos’ mines and coal-hungry factories, yet they seem like a relic of an earlier age when compared to the scale and precision of the new green industrial facilities. The dirty coal mines may still have history and profits on their side, but it is clear that the future will see their decline and replacement with green technology. I hope that Xi Jinping and the rest of the Chinese political elite come to the same conclusion, and fast.
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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.