What they do:
Ultra-precise AI weather forecasting.
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HQ: San Francisco, CA, United States
Top Climate Startups
This list has 157 startups and was last updated on Oct 15, 2026. 29 of them are hiring right now. Biggest hubs: San Francisco (55), Los Angeles (10), and New York (9). Largest teams: Cruise, Aerones, and Oolu. Latest round: HyLight raised €13M (Oct 12, 2026).
157 startupsPage 3 of 5
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:
Renewable infrastructure deployment at scale.
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Molagri
Hiring
What they do:
Resistance free pesticides.
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Intelline
Hiring
What they do:
Intelline makes the world's most efficient fuel agnostic engines for…
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OctaPulse
Hiring
What they do:
Building the robotics layer for seafood production
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HQ: Frisco, TX, United States
What they do:
We turn CO2 into battery-grade graphite and oxygen.
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HQ: San Francisco, CA, United States
What they do:
Building flying wind turbines.
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What they do:
Building the next generation food ingredient champion.
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What they do:
We stop cows from burping methane.
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HQ: San Francisco, CA, United States
What they do:
Tracking methane emissions with satellites
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HQ: Remote
What they do:
AI that tells mining companies where to mine to maximize profits
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Minimum
Hiring
What they do:
Helping corporates achieve Net Zero through tech solutions.
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HQ: London, United Kingdom
YC S20Early stage
What they do:
Making 'REAL' Cow and Human Milk!
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HQ: Boston, MA, United States
What they do:
Nuvola is transforming battery manufacturing, making EV batteries…
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HQ: Los Angeles, CA, United States
What they do:
Financing the next-generation of infrastructure projects
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What they do:
Make diesel semi trucks hybrid-electric
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HQ: San Francisco, CA, United States
What they do:
We make the world's most efficient aircraft
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What they do:
Smart electric & water meters as a service
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HQ: Remote, OR, United States
What they do:
Emission free hydrogen electric aircraft
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What they do:
Enzyme design models.
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HQ: San Francisco, CA, United States
What they do:
Building a nervous system for the atmosphere
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HQ: San Francisco, CA, United States
What they do:
We build floating solar data centers
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HQ: San Francisco, CA, United States
What they do:
Streamlining Data Capture to Report Creation for Heavy Industries
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HQ: San Francisco, CA, United States
What they do:
We turn waste gases into supply-secure chemicals
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HQ: Chicago, IL, United States
What they do:
Cutting edge hydrofoil systems for boatbuilders
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HQ: San Francisco, CA, United States
What they do:
High precision AI weather
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HQ: Ann Arbor, MI, United States
What they do:
Engineering microbes for miners to unlock billions in trapped metal
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HQ: San Francisco, CA, United States
What they do:
Growing seaweed to stabilize the climate.
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HQ: San Francisco, CA, United States
What they do:
We enable landlords to generate income from solar panels.
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