Climate

Carbon removal startup Holocene bought by oil and gas giant Occidental

Occidental has bought Holocene, marking the second direct air capture startup the fossil fuel company has bought in two years. The deal was executed through Oxy Low Carbon Ventures, a subsidiary of the oil and gas company, for an undisclosed amount. HeatMap first reported the news. Holocene had been racing to advance its amino acid-based […]

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Google bets on geothermal to power data centers in Taiwan

Google will add 10 megawatts of geothermal power in Taiwan to its renewable portfolio, the company announced Tuesday, marking the search giant’s first geothermal investment in Asia. Swedish company Baseload Capital is developing the project through a local subsidiary, which has been mapping the island for geothermal resources since 2019. It’s not the first geothermal

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Bill Gates-backed Arnergy to expand solar access in Nigeria with $18M as demand surges

Demand for solar energy in power-starved Nigeria has soared in the last decade thanks to worsening grid reliability and rising fuel costs. That’s drawn investor interest to Arnergy, a cleantech startup meeting that need. The company just raised a $15 million Series B extension (on top of a $3 million B1 round last year), bringing

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Does Colossal Biosciences’ dire wolf creation justify its $10B+ valuation?

On Monday, the “de-extinction” startup Colossal Biosciences announced its most ambitious results to date: the dire wolf. These are creatures that have been extinct for more than 12,000 years made famous by the HBO show Game of Thrones. These white, fluffy animals live on a 2,000-acre preserve in a location so secretive that journalists, including

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XL Batteries is using petrochemical infrastructure to store solar and wind power

Plenty of materials — from sulfur and sodium to manganese and organic molecules — have tried to topple the ubiquitous lithium-ion battery. And, so far, they’ve all failed. Organic batteries, which are built from some of the most abundant chemicals here on Earth, including carbon, oxygen, and nitrogen, has been perhaps the most frustrating failure.

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Former Tesla exec Drew Baglino’s new startup is rethinking the electrical transformer

Former Tesla executive Drew Baglino has a new startup developing solid-state transformers for the electric grid, Axios reported. The new company, Heron Power, is raising between $30 million to $50 million for a Series A, according to the report, with Capricorn Investment Group pegged to lead the round. Baglino was a longtime employee at Tesla,

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Space solar startup Aetherflux raises $50M to launch first space demo in 2026

Aetherflux, the space solar startup founded by Baiju Bhatt, the billionaire co-founder of Robinhood, has raised $50 million in a Series A round as it works to launch its first low Earth orbit demonstration in 2026.  The San Carlos, California-based startup, which came out of stealth last October, aims to eventually launch a constellation of

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Who are climate conscious consumers? Not who you’d expect, says Northwind Climate

Sometimes, surprises are lurking in everyday data. Take a category of consumers that Doug Rubin’s startup, Northwind Climate, calls “climate doers.” They’re concerned about climate change and tend to prioritize climate friendly purchases, the sort of identifiers that might be stereotypically associated with things like buying organic foods or prioritizing local businesses.  “Turns out that

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