MentionFox lists 18 Climate tech companies for 2021. Of them, 18 are Y Combinator companies (the newest batch here is Summer 2021, with 11).
Other years
All years (152) 2026 (35) 2022 (21)
Climate tech startups in 2021
| Company | What it does | Date | Amount | Round / stage | Record |
|---|---|---|---|---|---|
| Abatable | Carbon markets platform and solutions | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Bluumbio | We make bacteria and plants that clean up pollution. | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Carbonfact | Decarbonizing the fashion industry | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Coulomb AI | Battery Observability Platform for Electric Vehicles | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| HeyCharge | Low-cost, high-scale EV charging platform for apartments (and more). | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Kapacity.io | Reducing energy costs & emissions in buildings. | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Odys Aviation | Vertical takeoff and landing aircraft for major airlines | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Phykos | Growing seaweed to stabilize the climate. | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Planet A Foods | Building the next generation food ingredient champion. | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Pylon | Infrastructure management software for water & electricity companies | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Waterplan | Water risk mitigation for industrial sites | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Albedo | Full-stack VLEO satellite missions | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| H3X Technologies | The lightest electric aircraft motors in the world. | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| inBalance | Electricity price forecasts for energy storage, ev charging, etc. | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Juicy Marbles | Juicy marbles makes thick juicy and marbled plant based steaks. | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Orbillion Bio | Tasty and scalable cultivated meat at price parity | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Remora | Carbon capture for vehicles | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Swadesi Way | Healthy organic food that creates a positive impact | Winter 2021 | Y Combinator batch | Y Combinator listing |
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Related startup lists
Energy (33 shared) AI (29 shared) Biotech (14 shared) Aerospace and defense (13 shared) Food and agriculture (12 shared) Manufacturing and industrial (11 shared)
Figures come only from the record linked in each row; a blank means the record gives none. How these lists are built.