Deep Fission's small modular reactors would be lowered on cables down a 30-inch, one-mile deep borehole.

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Nvidia, Apple, and the Pentagon want more rare earth metals. Alta says it can capture more of the critical minerals from low-grade sources than other methods.

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Hydrogen startups are widely seen as a promising way to eliminate fossil fuels from heavy industry and long-haul transportation. But they have been stuck in limbo for the last couple years, waiting for official guidance from the U.S. Treasury on lucrative tax credits. The wait ended today, with the Treasury announcing final rules for hydrogen […]

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Electra has raised $180.4 million to clean up the dirty ironmaking industry, TechCrunch has learned. The startup has developed a novel method of using electricity to coax pure iron out of low-grade ores, opening the door to cleaner steel. The new funding round, which was disclosed in a regulatory filing, seeks to raise a total […]

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The Bill Gates-backed startup uses AI to comb through massive data sets in an attempt to find more critical minerals.

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As 2025 dawns, it’s a good time to look at the trends that are likely to define the coming 12 months.

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The first Juniper fund is $10.6 million and is oversubscribed.

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Climate tech is about a decade old, and people are itching for a rebrand.

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California’s phase out would begin in 2026, when the state will require 35% of automakers’ sales to be zero emissions vehicles.

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Among the hurdles, Oklo still hasn’t received approval from the Nuclear Regulatory Commission after having its previous application denied.

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The fusion startup intends to hook the power plant up to the grid in the early 2030s.

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The massive lasers will be installed in the startup’s future facility, which it is building in the San Francisco Bay Area.

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The raise is a bullish vote of confidence in climate and sustainability startups.

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The oil and gas company announced that it’s planning to build a massive power plant for data centers.

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These startups have fascinating new technologies, business models, founder stories or are pushing an industry forward in exciting ways.

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Two prominent programs, Activate and The Engine Accelerator, have decided they can give founders an advantage if they team up.

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The coalition, which is organized by Acadia, is seeking to invest $9 billion to build 5 gigawatts worth of renewable power.

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The company is focused on various transportation markets, including maritime shipping, long-haul trucking, and agriculture.

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The startup has been working to imbue the humble brick with the ability to transform electricity into heat and store it for hours on end.

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Google signed a deal with Intersect Power and TPG Rise Climate to spin up enough carbon-free power to drive several gigawatt-scale data centers.

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