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King Charles III has been called “the real deal” — and also a climate fraud.

At the very least, you’ve got to admit — the “Green King” has a nice ring to it.
This Saturday, for the first time in 70 years, Britain will formally crown a new sovereign, setting off a three-day weekend of celebrations that will cost taxpayers a rumored $125 million. But while King Charles III is tied with his wife, Camilla, as Americans’ second-least-favorite royal — behind only the notorious Prince Andrew — his ascension has also drawn praise from climate activists and historians worldwide, who’ve dubbed him Britain’s “environmentalist king-in-waiting.”
Charles’ more than a half-century of environmental activism will undoubtedly be tempered by what The New Yorker calls the monarchical “convention to not publicly register his own views on matters of political policy, and, indeed, to accept the policies of the government.” But his credentials as the once and future Green King of the United Kingdom are also mixed; for every illegally fished Patagonian toothfish he’d defended in the name of “the poor old albatross,” there’s also a wind turbine he’s blasted as a “blot.”
Here’s an overview of Charles’ mixed green bona fides, in passages from 10 helpful articles from around the web.
It may be tempting to think of the new King, with his bespoke Savile Row suits, Edwardian manners, and royal retinue, as an icon of a previous age. But his speeches, books, and projects do suggest a man ahead of his time. He was advocating concepts such as the circular economy and natural capital years before they captured the public’s imagination, and he’s clearly followed his own principles, converting his farm to organic practices more than 30 years ago.
“Some of these ideas were radical and literally decades ahead of their time. Some you could reprint today and they would be very much of the moment. It’s hard to overstate the role he played in putting these subjects on the agenda,” says Tony Juniper, chair of Natural England, a fellow with the University of Cambridge Institute for Sustainability Leadership, and former executive director of Friends of the Earth and president of the Wildlife Trusts.
From “Prince Charles Was an Environment Radical. What Happens Now He’s King?” by Jonathan Manning for National Geographic, Sept. 23, 2022
[...The] 73-year-old monarch has dedicated a large part of his life to doing something about the environmental issues that, as a youth, so occupied his mind. He has been an outspoken supporter of sustainability, organic farming, renewable energy, and biodiversity. He’s encouraged others to rethink urban design and corporate production. He skips meat a few days a week. His vintage Aston Martin runs on surplus wine and excess cheese whey. Clarence House, where he lived in London as the Prince of Wales, has solar panels. Balmoral, the summer home of the Royal Family in Aberdeenshire in Scotland, features hydroelectric turbines and biomass boilers. And at last year’s COP26, the king warned world leaders that “after billions of years of evolution, nature is our best teacher” when it comes to reducing emissions and capturing carbon, noting that “restoring natural capital, accelerating nature-based solutions, and leveraging the circular bioeconomy will be vital to our efforts.”
[...Unlike] other world figureheads touting climate issues, when it comes to actually believing in the need to tackle climate change, King Charles is the real deal, argues Piers Forster, professor of climate physics at the University of Leeds and a trustee of the United Bank of Carbon.
From “What Charles the ‘Activist King’ Means for the Climate” by Tom Ward for Wired, Sept. 14, 2022
Charles — like his father, Prince Philip, before him — has at times waded into the sticky morass of population growth. In a speech given at the Sheldonian Theater at Oxford University in 2010, then-Prince Charles noted: “When I was born in 1948, a city like Lagos in Nigeria had a population of just 300,000; today, just over 60 years later, it is home to 20 million.”
With population increasing rapidly in Mumbai, Cairo, Mexico City, and cities in other developing countries around the world, Charles said Earth cannot “sustain us all, when the pressures on her bounty are so great.”
[…] There may seem to be a simple logic in laying the blame for climate change on global population, which is now inching toward 8 billion. But there is a long and fraught history of thinkers in developed countries critiquing population growth in developing ones. Betsy Hartman, a professor emerita of development studies at Hampshire College, has said, “In this ideology of ‘too many people,’ it’s always certain people who are ‘too many.’”
From “The Many Paradoxes of Charles III as ‘Climate King’” by Shannon Osaka for The Washington Post, Sept. 13, 2022
[...There] has long been respect for Charles among Indigenous people stretching back more than two decades to April 2001, when the prince traveled to Saskatchewan for a Cree ceremony that bestowed upon him the name Kīsikāwipīsimwa miyo ōhcikanawāpamik, or, “The Sun Watches Over Him in a Good Way.”
Our new monarch has made efforts to visit with Canadian Indigenous leaders in subsequent trips. In 2019, he invited [Perry Bellegarde, former national chief of the Assembly of First Nations] to London and [asked] him to be a part of the Sustainable Markets Initiative, which attempts to push the private sector to make the transition to low-carbon operations.
Charles even consulted with First Nations elders over Zoom during the pandemic to talk about elders’ traditional knowledge.
“He’s got it in terms of sustainable development — that we’re all connected to the land and to the water, and that what affects the animals affects us, and what affects the plants affects us, and what affects the water affects us as human beings,” Bellegarde said.
“I teased him one time in a meeting: ‘I swear to goodness, your Majesty, that you were First Nations in another life.’”
From “Call Him the Green King. Charles Will Have an Environmental Agenda. How Far Can He Push It?” by Allan Woods for The Toronto Star, April 30, 2023
Charles has never acknowledged the monarchy’s full responsibility for the climate crisis. Asked by the BBC last year if the U.K. was doing enough to combat climate change, he replied: ”I couldn’t possibly comment.” And while Charles has acknowledged the general injustice of the monarchy’s colonial legacy, he has not connected that legacy to growing climate injustice around the world.
Climate justice activists from colonized nations say this connection is important, because the very institution that gives Charles a powerful platform to speak on climate change is responsible for creating global crisis conditions in the first place. To truly be considered a “climate king,” they say, Charles would have to not only acknowledge the climate harm done by the monarchy, but take steps to repair it.
From “Stop Calling Charles the ‘Climate King’” by Emily Atkin for Heated, Sept. 14, 2022
The Sustainable Markets Initiative (SMI), which Charles launched in 2020 when he was Prince of Wales, granted BP a “Terra Carta Seal” even though the oil and gas giant had failed to achieve a top score from the sustainability ranking company assessing applicants for the awards.
[…] Clive Russell, a spokesperson for Ocean Rebellion, an activist group that spun out of Extinction Rebellion, said giving BP a seal undermined SMI’s credibility: “How can an initiative co-founded by a world-renowned polluter like BP – a company currently investing £300m in renewables and £3.8bn in new oil and gas – be taken seriously? The SMI should be disbanded. Those involved should hang their heads in shame. This is blatant greenwashing.”
From “King Charles Accused of Helping BP ‘Greenwash’ Its Image With Royal Seal” by Dimitris Dimitraidis and Ben Webster for OpenDemocracy, Nov. 4, 2022
On the eve of today’s Countryside Alliance march in London, it was revealed that the heir to the throne wrote to Tony Blair expressing anger at the government for pursuing plans to outlaw the bloodsport in England.
It is understood the Prince, a passionate hunt supporter, told Blair that he “would not dare attack an ethnic minority in the way that supporters of fox hunting were being persecuted.”
From “Prince: I’ll Leave Britain Over Fox Hunt Ban,” by The Scotsman, Sept. 22, 2002
Addressing a conference of conservationists at St James’s Palace in London, the Prince of Wales announced a meeting of heads of state to take place this autumn in London under government auspices to combat what he described as an emerging, militarised crisis.
“We face one of the most serious threats to wildlife ever, and we must treat it as a battle — because it is precisely that,” said Charles. “Organised bands of criminals are stealing and slaughtering elephants, rhinoceros, and tigers, as well as large numbers of other species, in a way that has never been seen before. They are taking these animals, sometimes in unimaginably high numbers, using the weapons of war — assault rifles, silencers, night-vision equipment, and helicopters.”
From “Prince Charles Calls for a War on Animal Poachers” by Fiona Harvey for The Guardian, May 21, 2013
“[Charles] is understood to be strongly opposed to onshore wind turbines that rise higher than 100 metres because of their visual impact, and none have been erected on land owned by the Duchy of Cornwall, the £700m estate that provides him with a private income. He has lobbied government officials to subsidize other renewable energy sources and is reported to believe that if windfarms should be built at all, they should be far out at sea.
[...] In the past few years, the crown estate has signed a 25-year lease with the renewable energy company RWE for turbines at Little Cheyne Court windfarm in Kent and has agreed lease options with Renewable Energy Systems, which wants to erect 15 turbines in Carmarthenshire, with RWE npower for four turbines in Powys, and with E.ON for 17 turbines on the Billingborough estate in Lincolnshire
[...] “It is hypocrisy,” said Leanne Wood, a candidate for the Plaid Cymru leadership who is campaigning for Welsh energy independence. “[The prince] stands to benefit from wind projects on land in Wales, but opposes them himself. If that is his position there shouldn’t be windfarms on crown estate land.”
From “Prince Charles To Get Funding From ‘Blot on the Landscape’ Windfarms” by Robert Booth for The Guardian, Feb. 28, 2012
From now on, what the King says is less important than what he is seen to do. He now runs a multibillion-pound private corporation and has one of the world’s greatest personal fortunes. How our billionaire king spends his money and what he does with his vast properties and land holdings may fundamentally change the way Britain sees itself – and how the world regards us.
[... He] could start his green reforms of the monarchy by publicly divesting the institution of all fossil fuel interests [...] He could [offer] to the state or the National Trust most of his cold, largely empty, useless castles, palaces and mansions, such as Balmoral and Sandringham. He could then slash the estimated £90,000-a-month heating bills of any that are left – Windsor or Sandringham, for example – by investing heavily in heat pumps, solar power and insulation and then switching his bills to renewable energy providers such as Ecotricity or Good Energy.
[...He could] clear out the old rollers and Bentleys, go entirely electric, and take to bicycles and rail like other modern monarchies [...] If he was brave and fair-minded he could offer the 16 private hectares (39 acres) of Buckingham Palace to London as a new public park [...]
[...] Charles could happily dispose of most of the many thousands of great diamonds, rubies, and other jewels that have been handed personally to royalty over 200 years without anyone caring. The billions of pounds raised from such a sale could be used to establish academies of sustainable farming or permaculture in the Commonwealth countries from which most jewels were looted in colonial times and many of which are still struggling to feed themselves.
Aside from shedding most of his relations, abandoning archaic British empire medals, and generally living less lavishly, he could start hosting vegetarian banquets and end hunting on all royal lands.
At which point, he could do the decent thing and abolish himself.
From “Here’s a Plan for Green King Charles: Sell the Family Silver and Use the Cash to Save the Planet” by John Vidal for The Guardian, Oct. 6, 2022
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Citrine Informatics has been applying machine learning to materials discovery for years. Now more advanced models are giving the tech a big boost.
When ChatGPT launched three years ago, it became abundantly clear that the power of generative artificial intelligence had the capacity to extend far beyond clever chatbots. Companies raised huge amounts of funding based on the idea that this new, more powerful AI could solve fundamental problems in science and medicine — design new proteins, discover breakthrough drugs, or invent new battery chemistries.
Citrine Informatics, however, has largely kept its head down. The startup was founded long before the AI boom, back in 2013, with the intention of using simple old machine learning to speed up the development of more advanced, sustainable materials. These days Citrine is doing the same thing, but with neural networks and transformers, the architecture that undergirds the generative AI revolution.
“The technology transition we’re going through right now is pretty massive,” Greg Mulholland, Citrine’s founder and CEO, told me. “But the core underlying goal of the company is still the same: help scientists identify the experiments that will get them to their material outcome as fast as possible.”
Rather than developing its own novel materials, Citrine operates on a software-as-a-service model, selling its platform to companies including Rolls-Royce, EMD Electronics, and chemicals giant LyondellBassell. While a SaaS product may be less glamorous than independently discovering a breakthrough compound that enables something like a room-temperature superconductor or an ultra-high-density battery, Citrine’s approach has already surfaced commercially relevant materials across a variety of sectors, while the boldest promises of generative AI for science remain distant dreams.
“You can think of it as science versus engineering,” Mulholland told me. “A lot of science is being done. Citrine is definitely the best in kind of taking it to the engineering level and coming to a product outcome rather than a scientific discovery.” Citrine has helped to develop everything from bio-based lotion ingredients to replace petrochemical-derived ones, to plastic-free detergents, to more sustainable fire-resistant home insulation, to PFAS-free food packaging, to UV-resistant paints.
On Wednesday, the company unveiled two new platform capabilities that it says will take its approach to the next level. The first is essentially an advanced LLM-powered filing system that organizes and structures unwieldy materials and chemicals datasets from across a company. The second is an AI framework informed by an extensive repository of chemistry, physics, and materials knowledge. It can ingest a company’s existing data, and, even if the overall volume is small, use it to create a list of hundreds of potential new materials optimized for factors such as sustainability, durability, weight, manufacturability, or whatever other outcomes the company is targeting.
The platform is neither purely generative nor purely predictive. Instead, Mulholland explained, companies can choose to use Citrine’s tools “in a more generative mode” if they want to explore broadly and open up the field of possible materials discoveries, or in a more “optimized” mode that stays narrowly focused on the parameters they set. “What we find is you need a healthy blend of the two,” he told me.
The novel compounds the model spits out still need to be synthesized and tested by humans. “What I tell people is, any plane made of materials designed exclusively by Citrine and never tested is not a plane I’m getting on,” Mulholland told me. The goal isn’t to achieve perfection right out of the lab, but rather to optimize the experiments companies end up having to do. “We still need to prove materials in the real world, because the real world will complicate it.”
Indeed it will. For one thing, while AI is capable of churning out millions of hypothetical materials — as a tool developed by Google DeepMind did in 2023 — materials scientists have since shown that many are just variants of known compounds, while others are unstable, unable to be synthesized, or otherwise irrelevant under real world conditions.
Such failures likely stem, in part, from another common limitation of AI models trained solely on publicly available materials and chemicals data: Academic research tends to report only successful outcomes, omitting data on what didn’t work and which compounds weren’t viable. That can lead models to be overly optimistic about the magnitude and potential of possible materials solutions and generate unrealistic “discoveries” that may have already been tested and rejected.
Because Citrine’s platform is deployed within customer organizations, it can largely sidestep this problem by tuning its model on niche, proprietary datasets. These datasets are small when compared with the vast public repositories used to train Citrine’s base model, but the granular information they contain about prior experiments — both successes and failures — has proven critical to bringing new discoveries to market.
While the holy grail for materials science may be a model trained on all the world’s relevant data — public and private, positive and negative — at this point that’s just a fantasy, one of Citrine’s investors, Mark Cupta of Prelude Ventures, told me over email. “It’s hard to get buy-in from the entire material development world to make an open-source model that pulls in data from across the field.”
Citrine’s last raise, which Prelude co-led, came at the very beginning of 2023, as the AI wave was still gathering momentum. But Mulholland said there’s no rush to raise additional capital — in fact, he expects Citrine to turn a profit in the next year or so.
That milestone would strongly validate the company’s strategy, which banks on steady revenue from its subscription-based model to compensate for the fact that it doesn’t own the intellectual property for the materials it helps develop. While Mulholland told me that many players in this space are trying to “invent new materials and patent them and try to sell them like drugs,” Citriene is able to “invent things much more quickly, in a more realistic way than the pie in the sky, hoping for a Nobel Prize [approach].”
Citrines is also careful to assure that its model accounts for real world constraints such as regulations and production bottlenecks. Say a materials company is creating an aluminum alloy for an automaker, Mulholland explained — it might be critical to stay within certain elemental bounds. If the company were to add in novel elements, the automaker would likely want to put its new compound through a rigorous testing process, which would be annoying if it’s looking to get to market as quickly as possible. Better, perhaps, to tinker around the edges of what’s well understood.
In fact, Mulholland told me it’s often these marginal improvements that initially bring customers into the fold, convincing them that this whole AI-for-materials thing is more than just hype. “The first project is almost always like, make the adhesive a little bit stickier — because that’s a good way to prove to these skeptical scientists that AI is real and here to stay,” he said. “And then they use that as justification to invest further and further back in their product development pipeline, such that their whole product portfolio can be optimized by AI.”
Overall, the company says that its new framework can speed up materials development by 80%. So while Mulholland and Citrine overall may not be going for the Nobel in Chemistry, don’t doubt for a second that they’re trying to lead a fundamental shift in the way consumer products are designed.
“I’m as bullish as I can possibly be on AI in science,” Mulholland told me. “It is the most exciting time to be a scientist since Newton. But I think that the gap between scientific discovery and realized business is much larger than a lot of AI folks think.”
Plus more insights from Heatmap’s latest event Washington, D.C.
At Heatmap’s event, “Supercharging the Grid,” two members of the House of Representatives — a California Democrat and a Colorado Republican — talked about their shared political fight to loosen implementation of the National Environmental Policy Act to accelerate energy deployment.
Representatives Gabe Evans and Scott Peters spoke with Heatmap’s Robinson Meyer at the Washington, D.C., gathering about how permitting reform is faring in Congress.
“The game in the 1970s was to stop things, but if you’re a climate activist now, the game is to build things,” said Peters, who worked as an environmental lawyer for many years. “My proposal is, get out of the way of everything and we win. Renewables win. And NEPA is a big delay.”
NEPA requires that the federal government review the environmental implications of its actions before finalizing them, permitting decisions included. The 50-year-old environmental law has already undergone several rounds of reform, including efforts under both Presidents Biden and Trump to remove redundancies and reduce the size and scope of environmental analyses conducted under the law. But bottlenecks remain — completing the highest level of review under the law still takes four-and-a-half years, on average. Just before Thanksgiving, the House Committee on Natural Resources advanced the SPEED Act, which aims to ease that congestion by creating shortcuts for environmental reviews, limiting judicial review of the final assessments, and preventing current and future presidents from arbitrarily rescinding permits, subject to certain exceptions.
Evans framed the problem in terms of keeping up with countries like China on building energy infrastructure. “I’ve seen how other parts of the world produce energy, produce other things,” said Evans. “We build things cleaner and more responsibly here than really anywhere else on the planet.”
Both representatives agreed that the SPEED Act on its own wouldn’t solve all the United States’ energy issues. Peters hinted at other permitting legislation in the works.
“We want to take that SPEED Act on the NEPA reform and marry it with specific energy reforms, including transmission,” said Peters.
Next, Neil Chatterjee, a former Commissioner of the Federal Energy Regulatory Commission, explained to Rob another regulatory change that could affect the pace of energy infrastructure buildout: a directive from the Department of Energy to FERC to come up with better ways of connecting large new sources of electricity demand — i.e. data centers — to the grid.
“This issue is all about data centers and AI, but it goes beyond data centers and AI,” said Chatterjee. “It deals with all of the pressures that we are seeing in terms of demand from the grid from cloud computing and quantum computing, streaming services, crypto and Bitcoin mining, reshoring of manufacturing, vehicle electrification, building electrification, semiconductor manufacturing.”
Chatterjee argued that navigating load growth to support AI data centers should be a bipartisan issue. He expressed hope that AI could help bridge the partisan divide.
“We have become mired in this politics of, if you’re for fossil fuels, you are of the political right. If you’re for clean energy and climate solutions, you’re the political left,” he said. “I think AI is going to be the thing that busts us out of it.”
Updating and upgrading the grid to accommodate data centers has grown more urgent in the face of drastically rising electricity demand projections.
Marsden Hanna, Google’s head of energy and dust policy, told Heatmap’s Jillian Goodman that the company is eyeing transmission technology to connect its own data centers to the grid faster.
“We looked at advanced transition technologies, high performance conductors,” said Hanna. “We see that really as just an incredibly rapid, no-brainer opportunity.”
Advanced transmission technologies, otherwise known as ATTs, could help expand the existing grid’s capacity, freeing up space for some of the load growth that economy-wide electrification and data centers would require. Building new transmission lines, however, requires permits — the central issue that panelists kept returning to throughout the event.
Devin Hartman, director of energy and environmental policy at the R Street Institute, told Jillian that investors are nervous that already-approved permits could be revoked — something the solar industry has struggled with under the Trump administration.
“Half the battle now is not just getting the permits on time and getting projects to break ground,” said Hartman. “It’s also permitting permanence.”
This event was made possible by the American Council on Renewable Energy’s Macro Grid Initiative.
On gas turbine backorders, Europe’s not-so-green deal, and Iranian cloud seeding
Current conditions: Up to 10 inches of rain in the Cascades threatens mudslides, particularly in areas where wildfires denuded the landscape of the trees whose roots once held soil in place • South Africa has issued extreme fire warnings for Northern Cape, Western Cape, and Eastern Cape • Still roiling from last week’s failed attempt at a military coup, Benin’s capital of Cotonou is in the midst of a streak of days with temperatures over 90 degrees Fahrenheit and no end in sight.

Exxon Mobil Corp. plans to cut planned spending on low-carbon projects by a third, joining much of the rest of its industry in refocusing on fossil fuels. The nation’s largest oil producer said it would increase its earnings and cash flow by $5 billion by 2030. The company projected earnings to grow by 13% each year without any increase in capital spending. But the upstream division, which includes exploration and production, is expected to bring in $14 billion in earnings growth compared to 2024. The key projects The Wall Street Journal listed in the Permian Basin, Guyana and at liquified natural gas sites would total $4 billion in earnings growth alone over the next five years. The announcement came a day before the Department of the Interior auctioned off $279 million of leases across 80 million acres of federal waters in the Gulf of Mexico.
Speaking of oil and water, early Wednesday U.S. armed forces seized an oil tanker off the coast of Venezuela in what The New York Times called “a dramatic escalation in President Trump’s pressure campaign against Nicolás Maduro.” When asked what would become of the vessel's oil, Trump said at the White House, “Well, we keep it, I guess.”
The Federal Reserve slashed its key benchmark interest rate for the third time this year. The 0.25 percentage point cut was meant to calibrate the borrowing costs to stay within a range between 3.5% and 3.75%. The 9-3 vote by the central bank’s board of governors amounted to what Wall Street calls a hawkish cut, a move to prop up a cooling labor market while signaling strong concerns about future downward adjustments that’s considered so rare CNBC previously questioned whether it could be real. But it’s good news for clean energy. As Heatmap’s Matthew Zeitlin wrote after the September rate cut, lower borrowing costs “may provide some relief to renewables developers and investors, who are especially sensitive to financing costs.” But it likely isn’t enough to wipe out the effects of Trump’s tariffs and tax credit phaseouts.
GE Vernova plans to increase its capacity to manufacture gas turbines by 20 gigawatts once assembly line expansions are completed in the middle of next year. But in a presentation to investors this week, the company said it’s already sold out of new gas turbines all the way through 2028, and has less than 10 gigawatts of equipment left to sell for 2029. It’s no wonder supersonic jet startups, as I wrote about in yesterday’s newsletter, are now eyeing a near-term windfall by getting into the gas turbine business.
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The European Union will free more than 80% of the companies from environmental reporting rules under a deal struck this week. The agreement between EU institutions marks what Politico Europe called a “major legislative victory” for European Commission President Ursula von der Leyen, who has sought to make the bloc more economically self-sufficient by cutting red tape for business in her second term in office. The rollback is also a win for Trump, whose administration heavily criticized the EU’s green rules. It’s also a victory for the U.S. president’s far-right allies in Europe. The deal fractured the coalition that got the German politician reelected to the EU’s top job, forcing her center-right faction to team up with the far right to win enough votes for secure victory.
Ravaged by drought, Iran is carrying out cloud-seeding operations in a bid to increase rainfall amid what the Financial Times clocked as “the worst water crisis in six decades.” On Tuesday, Abbas Aliabadi, the energy minister, said the country had begun a fresh round of injecting crystals into clouds using planes, drones, and ground-based launchers. The country has even started developing drones specifically tailored to cloud seeding.
The effort comes just weeks after the Islamic Republic announced that it “no longer has a choice” but to move its capital city as ongoing strain on water supplies and land causes Tehran to sink by nearly one foot per year. As I wrote in this newsletter, Iranian President Masoud Pezeshkian called the situation a “catastrophe” and “a dark future.”
The end of suburban kids whiffing diesel exhaust in the back of stuffy, rumbling old yellow school buses is nigh. The battery-powered bus startup Highland Electric Fleets just raised $150 million in an equity round from Aiga Capital Partners to deploy its fleets of buses and trucks across the U.S., Axios reported. In a press release, the company said its vehicles would hit the streets by next year.