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Daily climate technology and sustainability news - Updated: 2025-10-24

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On October 24, 2025, key developments in climate technology and sustainability include a new $300 million venture fund launched by a coalition of over a dozen private investors, including Khosla Ventures and Breakthrough Energy Ventures, aimed at supporting climate tech startups nearing commercialization amid declining federal funding in the US[1]. Early-stage climate tech investment globally dropped 19% in the first half of 2025 to $13.2 billion, reflecting a market cooling and policy headwinds from federal cutbacks and rollback of Inflation Reduction Act incentives[2][3].

Significant funding rounds in clean energy and climate tech were led by Pacific Northwest companies: TerraPower raised $650 million for small modular nuclear reactors, Group14 Technologies secured $430 million for silicon-anode battery materials manufacturing, and Helion Energy obtained $425 million for fusion reactor development[5]. These investments highlight continued private sector confidence despite reduced government support.

Venture capital interest remains strong in climate tech, with firms like Ecosystem Integrity Fund, Clearvision Ventures, and Halogen Ventures actively investing in Series A to growth-stage startups focused on sustainability, energy, and climate solutions[4]. The US continues to lead global climate tech funding, having invested $147 billion since 2018, more than double China’s total, with hubs in the Bay Area and Boston attracting the most capital[6].

Carbon impact metrics are emerging as startups focus on direct air capture and other emissions-cutting technologies, though venture funding for direct air capture startups fell over 60% year-over-year in early 2025 to about $58 million[1]. Despite this, carbon capture is gaining commercial traction alongside growth in nuclear, geothermal, and energy storage technologies[3].

On the policy front, the Trump administration’s rollback of climate incentives and halting of offshore wind projects have created headwinds, but private investors and startups are adapting by seeking alternative funding sources such as corporate partnerships and philanthropy[1][2][5].

In summary:

•

Funding

$300M All Aboard Coalition fund launching; TerraPower $650M, Group14 $430M, Helion $425M rounds; global climate tech VC down 19% to $13.2B H1 2025[1][3][5].

•

Carbon impact

Direct air capture funding down 60% to $58M; carbon capture gaining commercial traction[1][3].

•

Policy

Federal climate spending cutbacks and IRA rollbacks; offshore wind project halted; private sector fills funding gaps[1][2][5].

•

Investors

Leading VCs include Khosla Ventures, Breakthrough Energy, Ecosystem Integrity Fund, Clearvision Ventures, Halogen Ventures[1][4].

•

Geography

US leads with $147B invested since 2018; Bay Area and Boston top hubs[6].

These developments illustrate a challenging but resilient climate tech ecosystem adapting to shifting policy and funding landscapes while advancing critical clean energy and emissions reduction innovations.

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