Latest Climate tech Startup Funding Rounds
Companies working on energy, transport, industry and emissions. Explore the technologies and business models attracting investment.
- Rounds
- 410 Jan 1 – Oct 12, 2026
- Disclosed funding
- $23.1B 334 disclosed amounts
- Median round
- $13M Of disclosed amounts
| Company | Amount | Round | Sector | Country | Investors | Announced |
|---|---|---|---|---|---|---|
| M MCatalysisCompany profile MCatalysis develops modular microwave-driven catalytic refining systems that convert distributed hydrocarbon feedstocks, including waste carbon, into drop-in liquid fuels and chemical products for industrial buyers. MCatalysis develops modular microwave-driven catalytic refining systems that convert distributed hydrocarbon feedstocks, including waste carbon, into drop-in liquid fuels and chemical products for industrial buyers. | $5M | Seed | Climate tech | United Kingdom | Investors | |
| AT Albatross Technology, Inc.Company profile A developer of floating vertical-axis wind turbines for offshore power generation in deep water. A developer of floating vertical-axis wind turbines for offshore power generation in deep water. | ¥250M | Pre-Series BSeries A | Climate tech | Japan | Investors | |
| BE Bluecore EnergyCompany profile Building small nuclear reactors on floating barges for clean power to ports and nearby infrastructure Building small nuclear reactors on floating barges for clean power to ports and nearby infrastructure | $40M | Seed — additional capital within USD50m financingSeed | Climate tech | United States | Investors Silverton PartnersLeadAct One Ventures +23Animal CapitalBAG CollectiveBorusan VenturesCapital FactoryCollab CapitalFortson VCHarlem CapitalHartBeat VenturesJoel EmbiidLMnT VenturesMaC VenturesMalik MonkMarkham Valley VenturesPrecursor VenturesRackhouse Venture CapitalScribble VenturesShare VenturesSlauson & Co.Symphony VenturesTaijuan WalkerVanderbilt UniversityVisible HandsX& | |
| C CircolifeCompany profile A subscription service providing businesses with connected air conditioners, maintenance and energy-use monitoring. A subscription service providing businesses with connected air conditioners, maintenance and energy-use monitoring. | $4.5M | Pre-Series AUndisclosed | Climate tech | India | Investors | |
| S SagavaCompany profile A Danish climate-technology startup developing a process that turns biogenic waste into drop-in maritime biofuel, biochar and clean energy. A Danish climate-technology startup developing a process that turns biogenic waste into drop-in maritime biofuel, biochar and clean energy. | €1.3M | Venture House follow-on fundingUndisclosed | Climate tech | Denmark | Investors | |
| D DigitalPaaniCompany profile Software that helps water-treatment operators monitor equipment, coordinate maintenance and reuse treated water. Software that helps water-treatment operators monitor equipment, coordinate maintenance and reuse treated water. | ₹220M | Funding roundUndisclosed | Climate tech | India | Investors | |
| iS i2Cool Shenzhen Limited (i2Cool)Company profile i2Cool develops electricity-free passive radiative cooling materials that shed heat by reflecting sunlight and radiating thermal energy. Its particle-based formulations can be incorporated into coatings, films, textiles and building materials for manufacturers seeking lower surface temperatures without powered cooling. i2Cool develops electricity-free passive radiative cooling materials that shed heat by reflecting sunlight and radiating thermal energy. Its particle-based formulations can be incorporated into coatings, films, textiles and building materials for manufacturers seeking lower surface temperatures without powered cooling. | Undisclosed | Series B | Climate tech | China | Investors | |
| GE Green Eagle SolutionsCompany profile Green Eagle Solutions sells ARSOS, an automation suite for renewable-energy operators and asset managers. It connects operational data across wind, solar, battery and hydro fleets, detects faults or changing operating conditions, and can decide and execute routine actions autonomously—reducing the need for control-room teams to handle every alert and dispatch manually. Green Eagle Solutions sells ARSOS, an automation suite for renewable-energy operators and asset managers. It connects operational data across wind, solar, battery and hydro fleets, detects faults or changing operating conditions, and can decide and execute routine actions autonomously—reducing the need for control-room teams to handle every alert and dispatch manually. | Undisclosed | Majority investmentUndisclosed | Climate tech | Spain | Investors | |
| V VeridueCompany profile An AI-native diligence and transaction platform for renewable-energy and data-center projects, helping investors and lenders screen deals and assess asset readiness. An AI-native diligence and transaction platform for renewable-energy and data-center projects, helping investors and lenders screen deals and assess asset readiness. | $4M | Pre-seed | Climate tech | United Kingdom | Investors | |
| S SunivaCompany profile Suniva manufactures silicon solar cells for module makers building US solar supply chains. Suniva manufactures silicon solar cells for module makers building US solar supply chains. | $835M | Debt and equity financingUndisclosed | Climate tech | United States | Investors |
Active investors in this selection
All investors →Ranked by rounds participated in · From Jan 1, 2026
- 1Lowercarbon Capital
Type One Energy, Rainmaker, Rune
10rounds0led - 2Gigascale Capital
Solcoa Industries, Planted, Light
8rounds0led - 3High-Tech Gründerfonds
Veridue, reverse.fashion, Qurie
7rounds0led - 4Breakthrough Energy Ventures
Type One Energy, Planted, FORM ENERGY
6rounds1led - 5EIC Fund
Reverion, Circular Materials, Proxima Fusion
6rounds0led
Latest digests
Archive →Explore published rounds while the next edition is being prepared.