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Sparks

American Airlines Is Buying Carbon Removal on the Cheap

The most notable part of the airline’s deal with Graphyte is the price.

An American airplane.
Heatmap Illustration/Getty Images

American Airlines will purchase carbon credits from a biomass-based carbon-removal startup in a deal that could reshape how corporate emitters offset their emissions, The Wall Street Journal reports. The startup, Graphyte, collects carbon dioxide-absorbent agricultural byproducts such as rice hulls, tree bark, and sawdust, compresses it into bricks, then seals and buries it. Its first project, in Pine Bluff, Arkansas, plans to begin manufacturing and burying the bricks by July.

What’s particularly notable about Graphyte’s deal with American Airlines is the price. American will pay Graphyte $100 per metric ton — as opposed to the $675 charged on average by Graphyte’s competitors in direct air capture, a process that typically involves massive fans that suck carbon from the atmosphere. Industry experts and analysts consider the $100 mark the threshold at which carbon removal could become a scalable, economically viable tool in the fight against climate change. As Heatmap’s Emily Pontecorvo recently noted, the direct air capture firm Climeworks hopes to get its price down to $100 to $300 per ton by 2050 at the earliest.

Unfortunately, Graphyte’s deal with American will only remove 10,000 metric tons of carbon dioxide, a tiny fraction of the 35 million metric tons that the airline emitted in 2022. So while the partnership is welcome, the scale of the task ahead — for Graphyte and the many other startups rushing into the carbon removal space — is dizzying. As Chris Rivest of Breakthrough Energy Ventures, the Bill Gates-backed VC firm that is funding Graphyte, told the Post, “We’ve bet the future of our planet on our ability to remove CO2 from the air … Pretty much every IPCC scenario that has a livable planet involves us pulling like 5 to 10 gigatons of CO2 out of the air by mid- to late-century.” Five to 10 gigatons — we’re going to need a lot of sawdust.

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Sparks

Koloma Strikes New Hydrogen Exploration Deal in the Philippines

The deal, shared exclusively with Heatmap, is the startup’s third in the oil-importing country.

A Koloma worker.
Heatmap Illustration/Koloma, Getty Images

Hydrogen fuel comes in myriad forms. There’s green hydrogen, which is extracted from water molecules using zero-carbon electricity. There’s blue hydrogen, derived from methane and scrubbed clean by carbon capture. And then there’s white hydrogen. Otherwise known as natural or geologic hydrogen, this type of hydrogen comes directly from naturally occurring deposits in the earth, can accumulate in considerable quantities and concentrations, and is highly energy-efficient to extract compared to manufacturing pathways such as electrolyzers and steam methane reforming.

It’s a seductive promise, but finding deposits with enough hydrogen to make the economics of exploration work is difficult. That’s where Koloma comes in. The startup uses a bespoke subsurface data set, which its founders developed over 20-plus years, to flag the areas most likely to hold sufficient hydrogen, after which they can extract it for power and derivative fuels.

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Data Centers Will Use Enough Electricity to Power Every U.S. Household by 2035

The latest forecast from BloombergNEF raises its estimate for AI electricity demand by 83%.

A data center and power lines.
Heatmap Illustration/Getty Images

Energy analysts at BloombergNEF predicted last year that U.S. data center electricity demand would reach 106 gigawatts within the next decade. In its latest outlook, released Tuesday, the group increased its forecast by 83%, to 194 gigawatts — enough to light up 150 million homes, or roughly every single household in the country today.

Even that may be a conservative estimate. If data center developers were to max out the total number of the high-powered chips used to train and operate AI models forecast to be delivered by 2035, electricity demand would reach 229 gigawatts.

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Microsoft Sustainability Chief Hounded by Protestors at Seattle Climate Week

“Microsoft, you can’t hide, we can see your dirty side!”

Melanie Nakagawa.
Heatmap Illustration/Getty Images, Katie Brigham

Protestors interrupted one of the final sessions of PNW Climate Week — a conference that brings together climate leaders across Washington, Oregon, and British Columbia — objecting to Microsoft’s rising carbon emissions from data centers and partnerships with oil and gas companies. The company’s Chief Sustainability Officer Melanie Nakagawa was having a one on one conversation with GeekWire climate reporter Lisa Stiffler at Seattle’s City Hall when protestors carrying signs reading “Microsoft’s AI pollutes” and other slogans began shouting from the audience.

I was there, having just moderated the prior panel on how to finance Washington’s clean energy ambitions. Early on there were some rumblings in the crowd from up front. “Climate leaders don’t build gas pipelines in Moses Lake,” was the first objection I heard clearly. It came shortly after Nakagawa kicked off the conversation by highlighting Microsoft’s partnership with sustainable aviation fuel startup Twelve, which recently opened its first commercial-scale SAF plant in Moses Lake, Washington. The tech giant has supported the project through a strategic investment from its Climate Innovation Fund, as well as an offtake agreement for the fuel that will help offset its emissions from employee travel.

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