Latest Climate tech Startup Funding Rounds
Companies working on energy, transport, industry and emissions. Explore the technologies and business models attracting investment.
- Rounds
- 65 Sep 13 – Oct 12, 2026
- Disclosed funding
- $1.6B 46 disclosed amounts
- Median round
- $8.1M Of disclosed amounts
| Company | Amount | Round | Sector | Country | Investors | Announced |
|---|---|---|---|---|---|---|
| KP Kairos PowerCompany profile A nuclear technology company developing fluoride salt-cooled high-temperature reactors for low-carbon electricity generation. A nuclear technology company developing fluoride salt-cooled high-temperature reactors for low-carbon electricity generation. | ≤$100M | Strategic investment and engineering collaborationUndisclosed | Climate tech | United States | Investors | |
| VD Vaulted DeepCompany profile Vaulted Deep builds and operates underground infrastructure for organic-waste disposal and carbon removal. Vaulted Deep builds and operates underground infrastructure for organic-waste disposal and carbon removal. | ≤$35M | Debt facilityUndisclosed | Climate tech | United States | Investors | |
| N NUNOSCompany profile NUNOS builds systems that recover nutrients from cattle manure and biogas digestate, turning agricultural waste streams into higher-value fertilizer for farms and biogas operators. NUNOS builds systems that recover nutrients from cattle manure and biogas digestate, turning agricultural waste streams into higher-value fertilizer for farms and biogas operators. | €570K | Pre-SeedPre-seed | Climate tech, Agritech | Germany | Investors | |
| RL R3 LithiumCompany profile A battery-recycling and refining company that turns recovered battery materials into lithium carbonate for battery manufacturers. A battery-recycling and refining company that turns recovered battery materials into lithium carbonate for battery manufacturers. | $15M | Series A | Climate tech | United States | Investors | |
| BI Biochar Industrial GroupCompany profile Biochar Industrial Group partners with agricultural processors to install and operate pyrolysis equipment that converts their residues into biochar and verified carbon-credit revenue. Biochar Industrial Group partners with agricultural processors to install and operate pyrolysis equipment that converts their residues into biochar and verified carbon-credit revenue. | $1.5M | Pre-seed | Climate tech | United States | Investors | |
| ME Mazama EnergyCompany profile A geothermal developer building enhanced geothermal systems that create engineered reservoirs in very hot rock to deliver round-the-clock electricity. A geothermal developer building enhanced geothermal systems that create engineered reservoirs in very hot rock to deliver round-the-clock electricity. | $135M | Series B | Climate tech | United States | Investors | |
| B BekiaCompany profile Bekia connects households and informal collectors with businesses that need traceable recyclable materials, using digital collection records and software for recycling operations. Bekia connects households and informal collectors with businesses that need traceable recyclable materials, using digital collection records and software for recycling operations. | $765K | Seed | Climate tech | Egypt | Investors | |
| CC Cura ClimateCompany profile Cura Climate develops electrochemical technology that reduces emissions from cement production. Cura Climate develops electrochemical technology that reduces emissions from cement production. | $10M | Funding roundUndisclosed | Climate tech | Canada | Investors | |
| CM CorePower MagneticsCompany profile CorePower manufactures high-performance inductors, transformers and motors from proprietary magnetic materials for power-electronics applications. CorePower manufactures high-performance inductors, transformers and motors from proprietary magnetic materials for power-electronics applications. | $10.6M | FinancingUndisclosed | Climate tech, Hardware | United States | Investors | |
| R RavelCompany profile A textile-recycling process that separates materials from blended fabrics so recovered fibers can be made into new textiles. A textile-recycling process that separates materials from blended fabrics so recovered fibers can be made into new textiles. | $8.2M | Seed | Climate tech | United States | Investors |
Active investors in this selection
All investors →Ranked by rounds participated in · From Sep 13, 2026
- 1Lowercarbon Capital
Type One Energy, Rainmaker, Rune
3rounds0led - 2Khosla Ventures
Hertha Metals, Mazama Energy, Planted
3rounds1led - 3Union Square Ventures
Mana Battery, Rune
2rounds0led - 4Breakthrough Energy Ventures
Type One Energy, Planted
2rounds1led - 5SiteGround Capital
Type One Energy, Mazama Energy
2rounds0led
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