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Climate

Offshore wind.
AM Briefing

New Tailwinds

On Trump’s polysilicon tariffs, Oklo’s milestone, and black lung

Daily Briefing

A Second Act for Biden’s Green Banks?

A D.C. appeals court upheld an injunction preventing the Trump administration from clawing back $20 billion in climate grants.

Green
AM Briefing

Sour Diesel

On Westinghouse’s IPO, British fusion, and Spain’s renewables

Blue
Climate

How Cyanobacteria Swamped New Hampshire

The state’s crystal clear lakes are turning into the Reflecting Pool.

Blue
The Rhine River.

Life’s Not All Right on the Rhine

On Texas data centers, Microsoft’s carbon removal, and cross-border aluminum

Yellow
Spokane.

Washington's ‘Wall of Flames’

On ‘draconian’ water cuts, Tesla’s China business, and Italian nuclear

Green
AM Briefing

Europe Braces to Bake

On Trump’s inverter ban, American antimony, and thermal batteries

Dry riverbed.
<p>Heatmap Illustration | Unsplash</p>

Current conditions: The unusual humidity thickening the Los Angeles air this week is the result of a warmer Pacific Ocean, a sign of climate change • Temperatures are topping triple digits Fahrenheit in the Spanish capital of Madrid • Severe storms are pummeling the central United States from the Plains to Appalachia.

THE TOP FIVE

1. Europe braces for energy cuts as rivers heat and dry up

The latest heat wave roasting Europe is warming up rivers and drying the watercourses on which the continent’s energy systems rely. In Eastern Europe, the mighty Danube has hit record lows, beaching boats in Croatia, squeezing out a quarter of Serbia’s fuel shipments, and forcing Hungary’s only nuclear power station to shut down as cooling water disappeared. The cost of navigating the barges that ship petroleum products, chemicals, coal, and steel down the Rhine river skyrocketed 400% in the last two months as water levels plummeted, as Bloomberg columnist Javier Blas pointed out. Economists warned the German broadcaster DW this week that the Rhine’s low levels could slash as much as 0.2% off Germany’s entire economic output in the third quarter of this year. It’s a stark reminder of what Heatmap contributor Hazel Southwell wrote back in 2023: Economies aren’t ready for rivers to dry up.

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AM Briefing

Uncommon Wealth

On ‘precariously low’ oil stockpiles, China’s ammonia milestone, and a PFAS destroyer

Hundred dollar bills.
<p>Heatmap Illustration | Unsplash</p>

Current conditions: The wildfires in France and Europe are slowing, but three firefighters have died and the looming heat wave could bring yet more disaster • New York and New Jersey are facing flash floods as a storm system makes its way across the Northeast United States • Days of thunderstorms are causing floods across Vientiane, Laos’ sprawling capital.

THE TOP FIVE

1. Commonwealth Fusion Systems raises another $1 billion

Last month, I toured Commonwealth Fusion Systems’ headquarters in small-town central Massachusetts. The place was abuzz in activity. On the factory floor side, workers were assembling the magnets needed to ultimately form the torus-shaped reactor — think a giant doughnut with an interior that curves like the core of an apple — called the tokamak. On the actual reactor side, SPARC — the prototype that CFS expects will make history next year as the first private enterprise and only tokamak to ever generate more energy that it took to start the fusion reaction — was starting to look like a functional machine from my view on a second-story walkway overlooking the sterile assembly room. The old joke that fusion is the energy source of tomorrow — and always will be — certainly didn’t ring as funny now. I’ll tell you who isn’t laughing: All the new investors that just poured another $1 billion into CFS. The company announced its latest funding round early this morning, which brings the startup’s total fundraising since its launch as a spinout from the Massachusetts Institute of Technology in 2018 to $4 billion. CFS now accounts for 30% of all the private capital that has flowed into fusion. What distinguishes this round, my colleague Katie Brigham wrote, is that the money is coming from a bunch of institutional investors, such as pension funds and sovereign wealth funds, rather than venture capitalists. On a call with reporters this week, CFS’s newly-named chief financial officer, Lorence Kim, said it’s the first-time institutional investors comprised the majority of the new funding. When I asked the company’s spokeswoman for a percentage estimate breaking down the new versus old investors in this round, she declined to comment. Kim cautioned that the funding isn’t the kind of capital you raise before launching on a stock market. But his hire is notable. The former Goldman Sachs banker famously helped take the pharmaceutical giant Moderna public and held the top financial role through the start of the Covid-19 pandemic.

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