Climate Flash Report

Daily climate technology and sustainability news - Updated: 2025-12-22

Sustainability intelligence that saves the world

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📈 Real-time prices • Updated daily with fresh content • Last updated: 2025-12-22 08:08

Climate Tech Startups and Funding

Major 2025 funding highlights include Fervo Energy's $462 million Series E for next-generation geothermal power plants using oil-industry drilling for 24/7 carbon-free electricity, backed by Bill Gates’s Breakthrough Energy Ventures[1]. Base Power raised $1 billion Series C for home-battery leasing to create distributed grid storage, with investors like Andreessen Horowitz and Google’s CapitalG[1]. KoBold Metals received additional AI-focused funding from Breakthrough Energy Ventures for clean energy exploration[1].

A $300 million fund by the All Aboard Coalition (managing $60B in assets, including Khosla Ventures and DCVC) targets $100–200M rounds for climate-tech scale-up from pilots to commercial ops, addressing the "missing middle" funding gap[2].

US climate tech saw $15.3B in H1 2025 investments (up from $11.4B in H1 2024), with later-stage rounds (Series C+) surging 33.3%; early-stage seed/Series A dropped 12–13%[3]. Global climate tech funding hit a Q2 low of $5.9B (lowest since 2020), but US led with 51% share (~$21.4B YTD)[2][3].

Clean Energy and Environmental Innovations

Geothermal and storage dominate: Fervo targets deep-rock heat for baseload power[1]; Base Power builds grid networks via batteries[1]. Industrial decarbonization jumped to 19.3% of US funding (from 9.6% in 2020), focusing on efficiency software, electrification, and low-carbon materials[3]. AI-climate convergence emphasizes energy-efficient hardware inspired by biology[1].

Notable startups: Arzeda ($72.2M, custom microbes for industry); Bolt Threads ($406.4M, bio-fabrics); Pachama (forest carbon monitoring via satellites); Caban Systems ($2.9M, modular storage); BlocPower ($262.6M, building energy efficiency)[4].

ESG Investing and VC Trends

Energy infrastructure took 33.2% of US funding amid AI power demand and grid upgrades[3]. Key VCs: Breakthrough Energy Ventures, Khosla, DCVC, Clean Energy Ventures[2]; Y Combinator backs 48 climate startups[6]. Investor lists updated Dec 21 highlight climate-focused firms beyond "climate-themed SaaS," prioritizing IP/infrastructure tech[5].

Climate Policy and Carbon Impact

Limited policy details in recent data; federal R&D/demonstration funding slowdown challenges capital-intensive scale-ups in decarbonization[3]. Carbon metrics sparse: Pachama predicts forest storage/deforestation; Fervo enables Google-scale carbon-free power (quantified impact pending deployment)[1][4]. No new Dec 22 specifics; trends show maturing market growth at 7%[2].