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Sparks

We Breached 1.5 Degrees Celsius of Warming — Sort Of

What today’s news from Copernicus does and doesn’t mean.

Mexico.
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Somewhat fittingly, Heatmap’s first year in existence coincided with the planet’s first 12-month period with an average temperature more than 1.5 degrees Celsius above pre-industrial levels, according to a new report from the EU’s Copernicus Climate Change Service. This might not come as a surprise if you’ve been reading us for any amount of time. But still, the number is striking — it’s the target we’ve long heard about, the threshold that the Paris Agreement is trying to keep us under.

It might be easy, then, to look at this report with a bit of despair. I am here to tell you otherwise. Some things to keep in mind:

  • For starters, this report does not mean we’ve missed the Paris Agreement’s target; Copernicus’ report covers average temperatures over one year, while the Paris Agreement’s targets operate on 20- or 30-year timescales.

  • El Niño was also a factor. The warm ocean phenomenon tends to bring higher global temperatures, so it’s possible the average could dip back down in a La Niña year (which the National Oceanic and Atmospheric Administration says is probably on its way soon).

  • This threshold is not a point of no return. As I wrote in my very first piece for Heatmap, humanity operates on stunningly compressed time scales compared to the rest of our planet. It didn’t take us very long to reach this point; similarly, the speed of our efforts to decarbonize will affect the speed at which we will return to more livable temperatures.

If anything, think of today’s number news as a call to action. The last year was a preview of what life could be like above 1.5 degrees C; the next few years will likely also be incredibly hot compared to pre-industrial levels, and we must do our best to mitigate the pain and loss to come.

We’ll be covering those efforts at Heatmap, as we always do, but if you’d like an idea of the various paths available to us for decarbonization, this Carbon Brief interactive is a good place to start.

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Sparks

Trump Loses Another Case Against Offshore Wind

A federal judge in Massachusetts ruled that construction on Vineyard Wind could proceed.

Offshore wind.
Heatmap Illustration/Getty Images

The Vineyard Wind offshore wind project can continue construction while the company’s lawsuit challenging the Trump administration’s stop work order proceeds, judge Brian E. Murphy for the District of Massachusetts ruled on Tuesday.

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The Secretary of Energy announced the cuts and revisions on Thursday, though it’s unclear how many are new.

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The Department of Energy announced on Thursday that it has eliminated nearly $30 billion in loans and conditional commitments for clean energy projects issued by the Biden administration. The agency is also in the process of “restructuring” or “revising” an additional $53 billion worth of loans projects, it said in a press release.

The agency did not include a list of affected projects and did not respond to an emailed request for clarification. However the announcement came in the context of a 2025 year-in-review, meaning these numbers likely include previously-announced cancellations, such as the $4.9 billion loan guarantee for the Grain Belt Express transmission line and the $3 billion partial loan guarantee to solar and storage developer Sunnova, which were terminated last year.

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Mikie Sherrill used her inaugural address to sign two executive orders on energy.

Mikie Sherrill.
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Mikie Sherill, a former Navy helicopter pilot, was best known during her tenure in the House of Representatives as a prominent Democratic voice on national security issues. But by the time she ran for governor of New Jersey, utility bills were spiking up to 20% in the state, putting energy at the top of her campaign agenda. Sherrill’s oft-repeated promise to freeze electricity rates took what could have been a vulnerability and turned it into an electoral advantage.

“I hope, New Jersey, you'll remember me when you open up your electric bill and it hasn't gone up by 20%,” Sherrill said Tuesday in her inauguration address.

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