Sonic Fire Tech Raises $15M — Khosla Backs Infrasound Fire Suppression
Ohio’s Sonic Fire Tech raised $15M (O.H.I.O. Fund lead; Khosla Ventures) for acoustic fire suppression that aims to kill flames without water/chemical damage — NFPA path next.
Climate Tech Venture Capital & Clean Energy Funding
Climate tech venture capital spans renewable energy, grid modernization, carbon capture, sustainable materials, and software for emissions tracking. Our climate-tech coverage tracks the funds and rounds addressing the energy transition and decarbonization economy.
Climate Tech VC Themes
- Energy infrastructure: Grid, storage, and generation technologies
- Industrial decarbonization: Manufacturing, chemicals, and heavy industry
- Carbon markets: Measurement, removal, and offset platforms
- Policy tailwinds: Government incentives and corporate net-zero commitments
Browse climate tech venture capital articles below.
Related Articles (62 articles)
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How Much Did Gatik Raise in August 2026? $200M Series D
Gatik closed a $200M Series D on August 25, 2026, led by Qatar Investment Authority and Koch Disruptive Technologies. No valuation was disclosed. Company: >$600M contracted revenue and 85,000 driverless orders. Total raised ~$500M.
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What Is Emerald AI’s Valuation in 2026? $1.05B After $150M
Emerald AI closed a $150M Series A on August 25, 2026, at $1.05B. Energize Capital and DCVC co-led. NVIDIA and General Catalyst’s scout fund participated. The 100 GW grid figure is the company’s estimate, not a measured capacity print.
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Apollo Atomics Raises $31M Seed — YC-Backed Factory-Built Reactors for AI Power
MIT spinoff Apollo Atomics raised $31M seed (FCVC lead; YC, Alumni Ventures) for compact PWRs built in factories and trucked to site — >20 GW LOI pipeline claimed.
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August 19–20 VC News: Castelion $13B, ALSO $150M, YC GPU
Aug 19–20, 2026: Castelion $1B Series C at $13B ($800M equity + $250M revolver), Rivian spinout ALSO $150M Series D, Thunder Compute $13M (YC), plus Navi, Rundoo, Network Bio, Relativity Networks, and Peeko. Centralize’s $19M is July 29, not new August tape.
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Why Did Rivian Spinout ALSO Raise Another $150M?
ALSO, the Rivian micromobility spinout, closed a $150M Series D on August 19, 2026, led by Prysm Capital. Cumulative funding is about $455M. No valuation was disclosed. Launch-edition e-bikes are only now shipping.