Amazon added around 100 new renewable projects last year.

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A string of nominees all previously said that they support the practice A string of nominees all previously said that they support the controversial practice.

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Climate tech may have had a down year in 2024, but new data also shows a maturing sector with larger deal sizes. Venture investment in the climate tech sector was down 7% to $12.9 billion, $1 billion shy of 2023’s tally, according to data in a new PitchBook report. The report found that round size […]

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The news comes as tech companies ramp up their AI ambitions, adding data centers at a breakneck pace and boosting demand for power.

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Data centers are expected to continue growing at a breakneck pace, doubling their power demand by 2029, according to a new report from JLL. The industry’s expansion, fueled by the rapid growth of AI alongside the continued expansion of cloud-based services, is testing the limits of the energy sector. Some experts think that half of […]

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Using LEDs has the potential to bring down the cost of biomanufacturing, allowing such processes to make materials that previously would have been too expensive. 

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Gridware's sensors listen for sounds that the company’s software has been trained to identify as different hazards to the grid.

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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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