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“Do you ever think about electric cars?”
Between solar roofs, home batteries, and electric vehicles, Tesla could potentially “do more to fight climate change than any other company — perhaps any other entity — in the world,” Walter Isaacson muses in his much-anticipated biography of Elon Musk, out Tuesday.
But while the central character is at times painted as a heroic visionary (Isaacson’s previous subjects have included Steve Jobs, Einstein, and Leonardo da Vinci), the biography also makes it clear that Tesla’s mercurial CEO isn’t always the easiest to work with — or, in the blunter words of Bill Gates, he can be “super mean.” Here are some of the most surprising moments about climate and energy shared in Isaacson’s Elon Musk:
On Musk’s EV passion:
When Elon went with [Peter] Nicholson’s daughter, Christie, to a party one evening, his first question was “Do you ever think about electric cars?” As he later admitted, it was not the world’s best come-on line.
On education:
Musk also focused on electric cars. He and [his friend Robin] Ren would grab lunch from one of the food trucks and sit on the campus lawn, where Musk would read academic papers on batteries. California had just passed a requirement mandating that 10 percent of vehicles by 2003 had to be electric. “I want to go make that happen,” Musk said.
Musk also became convinced that solar power, which in 1994 was just taking off, was the best path toward sustainable energy. His senior paper was titled “The Importance of Being Solar.” He was motivated not just by the dangers of climate change but also by the fact that fossil fuel reserves would start to dwindle. “Society will soon have no option but to focus on renewable power sources,” he wrote. His final page showed a “power station of the future,” involving a satellite with mirrors that would concentrate sunlight onto solar panels and send the resulting electricity back to Earth via a microwave beam. The professor gave him a grade of 98, saying it was a “very interesting and well written paper, except the last figure that comes out of the blue.”
On investing in batteries:
Eager to keep the conversation going, [Tesla co-founder JB] Straubel changed the topic to his idea for building an electric vehicle using lithium-ion batteries. “I was looking for funding and being rather shameless,” he says. Musk expressed surprise when Straubel explained how good the batteries had become. “I was going to work on high-density energy storage at Stanford,” Musk told him. “I was trying to think of what would have the most effect on the world, and energy storage along with electric vehicles were high on my list.” His eyes lit up as he processed Straubel’s calculations. “Count me in,” he said, committing to provide $10,000 in funding.
On building the Gigafactory:
The idea that Musk proposed in 2013 was audacious: build a gigantic battery factory in the U.S. […] There was one problem, Straubel recalls. “We had no clue how to build a battery factory.”
So Musk and Straubel decided to pursue a partnership with their battery supplier, Panasonic […] Musk and Straubel were invited to Japan by Panasonic’s new young president Kazuhiro Tsuga. “It was a come-to-Jesus session where we had to make him truly commit that we were going to build the insane Gigafactory together,” Straubel says.
The dinner was a formal, multicourse affair at a traditional low-table Japanese restaurant. Straubel was fearful about how Musk would behave. “Elon can be so much hell and brimstone in meetings and just unpredictable as all get out,” he says. “But I’ve also seen him flip a switch and suddenly be this incredibly effective, charismatic, high-emotional-intelligence business person, when he has to do it.” At the Panasonic dinner, the charming Musk appeared. He sketched out his vision for moving the world to electric vehicles and why the two companies should do it together. “I was mildly shocked and impressed, because, whoa, this is not like how Elon usually was on other days,” says Straubel. “He’s a person who’s all over the map, and you don’t know what he’s going to say or do. And then, all of a sudden, he pulls it all together.”
On the origins of SolarCity:
“I want to start a new business,” Musk’s cousin Lyndon Rive said as they were driving in an RV to Burning Man, the annual art-and-tech rave in the Nevada desert, at the end of the summer of 2004. “One that can help humanity and address climate change.” “Get into the solar industry,” Musk replied. Lyndon recalls that the answer felt like “my marching orders.” With his brother Peter, he started work on creating a company that would become SolarCity. “Elon provided most of the initial funding,” Peter recalls. “He gave us one clear piece of guidance: get to a scale that would have an impact as fast as possible.”
On buying SolarCity:
When Musk announced the deal in June 2016, he called it a “no-brainer” that was “legally and morally correct.” The acquisition fit with his original “master plan” for Tesla, which he had written in 2006: “The overarching purpose of Tesla Motors is to help expedite the move from a mine-and-burn hydrocarbon economy towards a solar electric economy.”
On hating SolarCity:
The solar roof project caused enormous friction between Musk and his cousins. In August 2016, around the time he was teasing the new product, Peter Rive invited Musk to inspect a version that the company had installed on a customer’s roof. It was a standing-seam metal roof, meaning the solar cells were embedded in sheets of metal rather than tiles. When Musk drove up, Peter and fifteen people were standing in front of the house. “But as often happened,” Peter recalled, “Elon showed up late and then sat in the car looking at his phone while we all just waited very nervously for him to get out.” When he did, it was clear that he was furious. “This is shit,” Musk explained. “Total fucking shit. Horrible. What were you thinking?”
On really, really hating SolarCity:
There were four versions [of solar roofs], including those that looked like French slate and Tuscan barrel tiles, along with a house that featured the metal roof that Musk hated. When Musk visited two days before the scheduled event and saw the metal version, he erupted. “What part of ‘I fucking hate this product’ don’t you understand?” One of the engineers pushed back, saying it looked okay to him and that it was the easiest to install. Musk pulled Peter aside and told him, “I don’t think this guy should be on the team.” Peter fired the engineer and had the metal roof removed before the public event.
On cutting solar roof installation time:
[…] Musk clambered up a ladder to the peak of the roof, where he stood precariously. He was not happy. There were too many fasteners, he said. Each had to be nailed down, adding time to the installation process. “Instead of two nails for each foot, try it with only one,” he ordered. “If the house has a hurricane, the whole neighborhood is fucked up, so who cares? One nail is going to be fine.” Someone protested that could lead to leaks. “Don’t worry about making it as waterproof as a submarine,” he said. “My house in California used to leak. Somewhere between sieve and submarine should be okay.” For a moment he laughed before returning to his dark intensity.
On talking climate with Bill Gates:
“Hey, I’d love to come see you and talk about philanthropy and climate,” Bill Gates said to Musk when they happened to be at the same meeting in early 2022. Musk’s stock sales had led him, for tax reasons, to put $5.7 billion into a charitable fund he had established. Gates, who was then spending most of his time on philanthropy, had many suggestions he wanted to make. They’d had friendly interactions a few times in the past, including when Gates brought his son Rory to SpaceX. [...] Gates argued that batteries would never be able to power large semitrucks and that solar energy would not be a major part of solving the climate problem. “I showed him the numbers,” Gates says. “It’s an area where I clearly knew something that he didn’t.” He also gave Musk a hard time on Mars. “I’m not a Mars person,” Gates later told me. “He’s overboard on Mars. I let him explain his Mars thinking to me, which is kind of bizarre thinking. It’s this crazy thing where maybe there’s a nuclear war on Earth and so the people on Mars are there and they’ll come back down and, you know, be alive after we all kill each other.”
On dismissing climate philanthropy:
At the end of the tour, [Gates and Musk’s] conversation turned to philanthropy. Musk expressed his view that most of it was “bullshit.” There was only a twenty-cent impact for every dollar put in, he estimated. He could do more good for climate change by investing in Tesla.
On Bill Gates’ betrayal:
There was one contentious issue that [Bill Gates and Elon Musk] had to address. Gates had shorted Tesla stock, placing a big bet that it would go down in value […] Short-sellers occupied [Musk’s] innermost circle of hell. Gates said he was sorry, but that did not placate Musk. “I apologized to him,” Gates says. “Once he heard I’d shorted the stock, he was super mean to me, but he’s super mean to so many people, so you can’t take it too personally.”
[...] When I asked Gates why he had shorted Tesla, he explained that he had calculated that the supply of electric cars would get ahead of demand, causing prices to fall. I nodded but still had the same question: Why had he shorted the stock? Gates looked at me as if I had not understood what he just explained and then replied as if the answer was obvious: he thought that by shorting Tesla he could make money. That way of thinking was alien to Musk. He believed in the mission of moving the world to electric vehicles, and he put all of his available money toward that goal, even when it did not seem like a safe investment. “How can someone say they are passionate about fighting climate change and then do something that reduced the overall investment in the company doing the most?” he asked me a few days after Gates’s visit. “It’s pure hypocrisy. Why make money on the failure of a sustainable energy car company?”
On rejection:
Gates followed up in mid-April, sending Musk the promised paper on philanthropy options that he had personally written [...] “Sorry,” Musk shot back instantly. “I cannot take your philanthropy on climate seriously when you have a massive short position against Tesla, the company doing the most to solve climate change.” When angry, Musk can get mean, especially on Twitter. He tweeted a picture of Gates in a golf shirt with a bulging belly that made him look almost pregnant. “In case u need to lose a boner fast,” Musk’s comment read.
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SpaceX has also now been dragged into the fight.
The value of Tesla shares went into freefall Thursday as its chief executive Elon Musk and traded insults with President Donald Trump. The war of tweets (and Truths) began with Musk’s criticism of the budget reconciliation bill passed by the House of Representatives and has escalated to Musk accusing Trump of being “in the Epstein files,” a reference to the well-connected financier Jeffrey Epstein, who died in federal detention in 2019 while awaiting trial on sex trafficking charges.
The conflict had been escalating steadily in the week since Musk formally departed the Trump administration with what was essentially a goodbye party in the Oval Office, during which Musk was given a “key” to the White House.
Musk has since criticized the reconciliation bill for not cutting spending enough, and for slashing credits for electric vehicles and renewable energy while not touching subsidies for oil and gas. “Keep the EV/solar incentive cuts in the bill, even though no oil & gas subsidies are touched (very unfair!!), but ditch the MOUNTAIN of DISGUSTING PORK in the bill,” Musk wrote on X Thursday afternoon. He later posted a poll asking “Is it time to create a new political party in America that actually represents the 80% in the middle?”
Tesla shares were down around 5% early in the day but recovered somewhat by noon, only to nosedive again when Trump criticized Musk during a media availability. The shares had fallen a total of 14% from the previous day’s close by the end of trading on Thursday, evaporating some $150 billion worth of Tesla’s market capitalization.
As Musk has criticized Trump’s bill, Trump and his allies have accused him of being sore over the removal of tax credits for the purchase of electric vehicles. On Tuesday, Speaker of the House Mike Johnson described Musk’s criticism of the bill as “very disappointing,” and said the electric vehicle policies were “very important to him.”
“I know that has an effect on his business, and I lament that,” Johnson said.
Trump echoed that criticism Thursday afternoon on Truth Social, writing, “Elon was ‘wearing thin,’ I asked him to leave, I took away his EV Mandate that forced everyone to buy Electric Cars that nobody else wanted (that he knew for months I was going to do!), and he just went CRAZY!” He added, “The easiest way to save money in our Budget, Billions and Billions of Dollars, is to terminate Elon’s Governmental Subsidies and Contracts. I was always surprised that Biden didn’t do it!”
“In light of the President’s statement about cancellation of my government contracts, @SpaceX will begin decommissioning its Dragon spacecraft immediately,” Musk replied, referring to the vehicles NASA uses to ferry personnel and supplies to and from the International Space Station.
“You can’t just divest from the eco-right after the election,” contends Johannes Ackva of Founder Pledge.
Johannes Ackva likes a contrarian bet. Back in 2020, when he launched the climate program at Founders Pledge, a nonprofit that connects entrepreneurs to philanthropic causes, he sought out “surgical interventions” to support technologies that didn’t already enjoy the widespread popularity of wind turbines and solar panels, such as advanced nuclear reactors and direct air carbon capture.
By late 2023, however, the Biden administration’s legislative sweep was directing billions to the very range of technologies Ackva previously saw as neglected. So he turned his attention to shoring up those political wins.
The modern climate movement came into its own demanding that the world stop shrinking from inconvenient truths. But as polls increasingly showed the 2024 election trending toward Republicans, Ackva saw few funders propping up advocates with any influence over the GOP. Founders Pledge pumped millions into Deploy/US, a climate group where former Republican Representative Carlos Curbelo of Florida served as the top adviser, which then distributed the money to upward of 30 right-leaning climate groups, including the American Conservation Coalition and the Evangelical Environmental Network.
The bipartisan gamble paid off. In April 2024, Founders Pledge received an anonymous $40 million donation to bolster its efforts. Now an anonymous donor has granted Founders Pledge’s climate fund another $50 million, Heatmap has learned.
Founders Pledge declined to say whether the money came from the same unnamed source or separate donors. But the influx of funding has “radically transformed our ability to make large grants,” Ackva told me, noting that the budget before 2024 came out to about $10 million per year.
“The word exponential is overused,” he said. “But that’s roughly the trajectory.”
Amid the so-called green freeze that followed the Trump administration’s rollback of climate funding, Founders Pledge has joined other climate philanthropies in stepping in to back projects that have lost money. When Breakthrough Energy shuttered its climate program in March, Founders Pledge gave $3.5 million to serve as the primary funding for the launch of the Innovation Initiative, started by former staff from the Bill Gates-backed nonprofit.
Ackva said his organization is looking to invest in climate efforts across the political spectrum. But Founders Pledge’s focus on right-of-center groups wasn’t an election-year gimmick.
“You can’t just divest from the eco-right after the election,” he said. “That’s not an authentic way to build a civil society ecosystem.”
As Republicans in Congress proceed with their gutting of green funding, including through Trump’s One Big, Beautiful Bill Act, Ackva said it’s too soon to say whether the political strategy is paying off.
“If you think of grantmaking as making bets, some bets exceed others sooner, but that doesn’t make them bad bets,” Ackva told me. “Ultimately, philanthropy cannot define how a given policy goes. You can adjust the probabilities, maybe level the bets. But obviously it’s larger forces at play that shape how the One Big, Beautiful Bill gets made.”
The Senate may save or even expand parts of the IRA that support baseload power, e.g. nuclear and geothermal. But regardless, Ackva said, climate advocates are making a mistake training their focus so intently on the fate of this one law.
“It’s kind of the only thing that’s being discussed,” he said.
Meanwhile the Infrastructure Investment and Jobs Act, better known as the Bipartisan Infrastructure Law, is set for reauthorization next fall. The Energy Act of 2020 is slated for renewal this year. And funding for the Department of Energy is up for debate as the White House now pushes to expand the Loan Programs Office’s lending authority for nuclear projects by $750 million.
“Those are things we would see as at least as important as the Inflation Reduction Act,” Ackva said.
Given those deadlines, Ackva said he expected other donors to press advocates for plans last year on how to sway Republicans toward more ambitious bills this Congress. But after former Vice President Kamala Harris took over the Democratic ticket last year, he said he’d heard from his grantees “that they were asked what they were going to do with a Harris trifecta.”
“Everyone was betting on Harris to win,” he said. “There’s a very strong ideological lean among climate funders to a degree that was frankly a little bit shocking.”
The partisan divide over climate wasn’t always so pronounced. In 2008, the Republican presidential nominee, John McCain, ran on a more ambitious decarbonization platform than what President Barack Obama proposed in the White House.
There are dueling — though not mutually exclusive — narratives about how the American climate movement over-indexed on one side of the political spectrum. Both stories start in 2010.
The version liberals and leftists will find familiar is one that blames fossil fuel megadonors such as Charles and David Koch for aggressively promoting climate denial among Republican lawmakers.
The version told by Ted Nordhaus, the founder of the Breakthrough Institute think tank where Ackva got his start years before joining Founders Pledge, starts with the failure of the Obama-era cap-and-trade bill to pass through Congress.
When the legislation “went up in flames in 2010,” Nordhaus told me, a bunch of environmental philanthropies hired Harvard professor Theda Skocpol to author a 145-page report on what triggered the blaze.
“The report concluded that the problem is we were too focused on the technocratic, inside-the-Beltway stuff,” Nordhaus summarized. “We needed to build political power so the next time there’s an opportunity to do big climate policy, we would have the political power to put a price on carbon.”
Out of that finding came what Nordhaus called the “two-pronged, boots-on-the-ground” era of the movement, which backed college campus campaigns to divest from fossil fuels and also efforts to prevent new fossil fuel infrastructure such as the Keystone XL pipeline.
Reasonable people could debate the fiduciary merits of scrapping investments in natural gas companies or the value of blocking oil infrastructure whose cancellation spurred more shipments of crude on rail lines that face higher risk of a spill or explosion than pipelines. But once supporting fossil fuel divestment or opposing pipelines became the key litmus tests activists used to determine if a Democrat running for office took climate change seriously, the issue became more ideological.
“That made it impossible for any Democrat to become a moderate on climate, and made it impossible for any Republican to be a moderate on climate,” Nordhaus said. “The Republican Party has its own craziness and radicalism, but a bunch of that is negative polarization.”
To fund an effective “climate right,” Nordhaus said, Founders Pledge should seek out groups that don’t explicitly focus on the climate or environment at all.
“I’d be looking at which groups are all-in on U.S. natural gas, which has been the biggest driver of decarbonization in the U.S. over the last 15 years; which groups are all in and really doing work on nuclear; and which groups are doing work on permitting reform,” Nordhaus said. “That’s how you’re going to make progress with Republicans.”
I asked Ackva where the line would be for funding an eco right. Would Founders Pledge back groups that — like some green-leaning elements of Italian Prime Minister Giorgia Meloni’s party or allies of France’s Marine Le Pen — support draconian restrictions on immigration in the name of reducing national emissions from the increased population?
“That would not be appropriate,” Ackva told me. “When we say we’re funding the eco right, like when we’re funding groups on the left or in the center, the things they are proposing don’t need to be exactly the things we will be prioritizing, but they need to be plausible, high-impact solutions.”
To Emmet Penney, a senior fellow focused on energy at the right-leaning Foundation for American Innovation, it’s an obvious play. The green left that has long dominated climate policy debates “is premised on aggressive permitting and environmental law that makes it impossible to actually build anything useful toward addressing the things they’re most afraid of.”
“It’s become clear to anyone who wants to build anything that what the environmental left has to offer simply doesn't work,” he told me. “Naturally, more centrist organizations who might not even otherwise be slated as right-wing now look that way and are becoming increasingly attractive to people who are interested in building.”
On Senate committees, a public lands selloff, and energy investment
Current conditions: Southern New England will experience its hottest day of the year so far today, with temperatures around 90 degrees Fahrenheit • Record levels of Sargassum seaweed are overwhelming Caribbean resorts • Saharan dust has spread across most of Florida and will continue over the coastal Southeast through this weekend.
1. The Senate’s first pass at IRA repeal cuts huge climate programs ...
On Wednesday evening, Republicans on the Senate’s Environment and Public Works Committee released their section of President Trump’s “One Big, Beautiful” budget reconciliation bill. “At least so far, it’s hardly deviating from the stark cuts to the Inflation Reduction Act that have already passed the House,” my colleague Emily Pontecorvo wrote in her analysis of the contents — although there is one Environmental Protection Agency grant program, for reducing pollution at ports, that had been targeted in by the House bill and is absent from the Environment and Public Works Committee’s text. As in the House bill, the latest text eliminates the $27 billion Greenhouse Gas Reduction Fund, which the Trump administration has sought to kill with accusations of fraud, though it has yet to produce any evidence of impropriety.
Elsewhere in the Senate, however, some Republicans appear more friendly toward preserving at least some IRA tax credits. “I would be in the camp that doesn’t think we need [to do] a full repeal and instead can live with a circumscribed, narrower version of the existing IRA credits,” Senator Todd Young of Indiana, a member of the Finance Committee, said, as reported by Axios. Senator John Curtis of Utah published an op-ed in Deseret News on Wednesday in which he argued that “the right policy solution must navigate tax credits and regulatory reform in what I believe is central to America’s economic future, the planet and our national security: energy.”
2. … and a public lands sell-off is back on the table
Senate Republicans are reviving a plan to sell off public lands to fund President Trump’s tax cuts after their colleagues in the House thwarted a similar proposal, Senator Mike Lee of Utah told reporters on Wednesday. According to the senator, a new version of the plan will be included in the Committee on Energy and Natural Resources’s pass at the bill, which will likely be made public on Monday, Bloomberg reports.
Representative Ryan Zinke of Montana helped lead the charge to kill the earlier version of the proposal in the House, although Lee added that his version would exempt Montana. Still — as I’ve reported — the plan would jeopardize as much as 500,000 acres of public land across Utah and Nevada alone. “These are the places people recreate with their families, they are places to hunt and fish, and they are held in trust for the American people to enjoy for generations to come,” Travis Hammill, the D.C. director for the Southern Utah Wilderness Alliance, said in a statement.
3. 2025 will be a banner year for energy investment, despite economic turbulence: IEA
Despite tariffs, trade wars, and economic uncertainty, the International Energy Agency anticipates a record $3.3 trillion investment in global energy in 2025, per a new report released Thursday. That represents a 2% rise from 2024. “The fast-evolving economic and trade picture means that some investors are adopting a wait-and-see approach to new energy project approvals, but in most areas we have yet to see significant implications for existing projects,” IEA Executive Director Fatih Birol said in a statement about the findings.
Around $2.2 trillion of the total global investment is “going collectively to renewables, nuclear, grids, storage, low-emissions fuels, efficiency, and electrification, twice as much as the $1.1 trillion going to oil, natural gas, and coal,” the report says. Solar specifically is booming, with a forecast of $450 billion in investment by 2025. The overall picture represents an enormous reversal from a decade ago, when fossil fuel investments were 30% higher than electricity generation, grids, and storage. That said, the research also found that investment in grids — at around $400 billion per year — is “failing to keep pace with spending on generation and electrification,” mainly because of “lengthy permitting procedures and tight supply chains for transformers and cables.” Read the full report here.
4. UK solar is having a record year due to unusually sunny spring
Carbon BriefSolar farms in the United Kingdom generated more electricity than ever before in the first five months of the year, according to a newly released accounting by Carbon Brief. The surge in solar energy was 42% higher than over the same period last year, growing from 5.4 terawatt-hours of electricity generated to a record 7.6 terawatt-hours. Carbon Brief credited the record output to the nation’s sunniest spring on record, although the publication notes it was also “aided by rising capacity, which reached 20.2GW in 2024, up by 2.3GW from 17.9GW a year earlier.” You can read the full report here.
5. ‘Atmospheric thirst’ is making droughts more severe: study
While extreme heat almost always has a climate change signal, the same cannot be said for droughts, which have different causes and feedback mechanisms that researchers are still working to understand. A new study published Wednesday in Nature has found that atmospheric evaporative demand — that is, the complex process of water evaporation into the atmosphere, also called “atmospheric thirst” — has increased drought severity by an average of 40%. Over the five years from 2018 to 2022, areas in drought have expanded 74% on average compared to the 1981 to 2017 period, with atmospheric evaporative demand “contributing to 58% of this increase,” the report further found. “We were very much shocked when we saw the results,” Solomon Gebrechorkos, a hydroclimatologist at the University of Oxford and lead author of the study, told The New York Times.
“A large majority of new residential houses and buildings in Germany feature a heat pump as their main heating system,” according to government numbers reported by Clean Energy Wire. “The climate-friendly heating technology was installed in more than two-thirds (69.4%) of the 76,100 homes finished in 2024, a 5% increase compared to 2023.”