What they do:
Carbon capture equipment for ships
Quick facts:
HQ: London, United Kingdom
Top Climate & Energy Startups
This list has 331 startups and was last updated on Oct 15, 2026. 38 of them are hiring right now. Biggest hubs: San Francisco (90), New York (15), and Los Angeles (12). Largest teams: Cruise, Aerones, and Oolu. Latest round: Circularity Fuels raised $8.79M (Oct 14, 2026).
Survival statistics →75 open roles →
331 startupsPage 3 of 10
Starcloud
Hiring
What they do:
Data centers in space
Quick facts:
HQ: Seattle, WA, United States
Odys Aviation
Hiring
What they do:
Vertical takeoff and landing aircraft for major airlines
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HQ: Los Angeles, CA, United States
What they do:
Nuclear-inspired cooling that turns wasted power into more AI compute
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HQ: San Francisco, CA, United States
AirMyne
Hiring
What they do:
Building systems to remove carbon dioxide from air at industrial scale
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Reliable and affordable solar energy in developing countries.
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HQ: Kathmandu, Nepal
What they do:
Curtsy is a sustainable clothing resale app.
Quick facts:
HQ: San Francisco, CA, United States
Coulomb AI
Hiring
What they do:
Battery Observability Platform for Electric Vehicles
Quick facts:
Posh
Hiring
What they do:
Rapidly deployable energy solutions for modern commercial and…
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HQ: San Francisco, CA, United States
Olympian Motors
Hiring
What they do:
Next-generation, modular electric vehicles
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HQ: New York, NY, United States
What they do:
We make plant-based steaks with an authentic texture
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HQ: New York, NY, United States
What they do:
Bluedot is a single payment platform for EV drivers and fleets.
Quick facts:
HQ: San Francisco, CA, United States
Offstream
Hiring
What they do:
Vanta for carbon compliance
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HQ: Denver, CO, United States
Enerjazz
Hiring
What they do:
Making electric vehicle batteries affordable
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What they do:
We design and build microbes to make chemicals greener at lower cost.
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HQ: San Francisco, CA, United States
What they do:
Rebellyous Foods is a food manufacturing technology and production…
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HQ: Seattle, WA, United States
What they do:
Predictive Explorer and Driller for Critical Metal Deposits
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HQ: San Francisco, CA, United States
What they do:
Providing clean, safe, virus free air for homes, buildings and cars
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HQ: Hong Kong
Nectar
Hiring
What they do:
Manage energy cost & usage with AI for facility & sustainability teams
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HQ: San Francisco, CA, United States
Guac
Hiring
What they do:
AI-powered forecasting & replenishment for grocery
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HQ: New York, NY, United States
Coperniq
Hiring
What they do:
Workflow software for solar & energy contractors ☀️😎
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HQ: San Francisco, CA, United States
Silurian
Hiring
What they do:
Foundation models to simulate Earth, starting with weather.
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HQ: Seattle, WA, United States
Maritime Fusion
Hiring
What they do:
Fusion reactors for ships
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HQ: San Francisco, CA, United States
Torus
Hiring
What they do:
Legora for physical engineering firms
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HQ: San Francisco, CA, United States
What they do:
Wren is a monthly subscription to offset your carbon footprint.
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HQ: San Francisco, CA, United States
What they do:
Ultra-precise AI weather forecasting.
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HQ: San Francisco, CA, United States
What they do:
We make carbon negative chemicals from CO2 using fermentation
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HQ: Nottingham, United Kingdom
What they do:
We recycle plastic using engineered enzymes
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HQ: Portland, OR, United States
Voltic
Hiring
What they do:
Electric cargo ships
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HQ: New York, NY, United States
What they do:
Biodegradable and carbon neutral textiles, engineered from food waste.
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Spark
Hiring
What they do:
AI-powered workflows for energy infrastructure
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Wright Electric
Hiring
What they do:
Boeing for electric planes
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HQ: Albany, NY, United States
What they do:
Healthy organic food that creates a positive impact
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What they do:
A single point integration for secure and automated EV charging.
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HQ: San Francisco, CA, United States
What they do:
Renewable infrastructure deployment at scale.
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Molagri
Hiring
What they do:
Resistance free pesticides.
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