What they do:
We design and manufacture energy efficient LED lighting fixtures for…
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HQ: Seattle, WA, United States
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 4 of 10
What they do:
using ultrasonics + ml to analyze fluid behavior at infrastructure…
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HQ: San Francisco, CA, United States
Intelline
Hiring
What they do:
Intelline makes the world's most efficient fuel agnostic engines for…
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What they do:
Software that increases the value of oil & gas wells
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What they do:
Energy Superintelligence, AI that operates critical infrastructure
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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
Terranox AI
Hiring
What they do:
The first AI-powered uranium discovery company
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HQ: San Francisco, CA, United States
Edviro
Hiring
What they do:
AI That Operates Energy Infrastructure
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HQ: San Francisco, CA, 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:
Simulation software used by leading battery and automotive companies
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HQ: Remote
What they do:
AI agents for power grid planning 🦑
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HQ: London, United Kingdom
What they do:
Nuvola is transforming battery manufacturing, making EV batteries…
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HQ: Los Angeles, CA, United States
What they do:
We make bacteria and plants that clean up pollution.
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HQ: San Francisco, 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:
Robots that run autonomous depots for autonomous fleets.
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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:
Robots for waste manipulation
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HQ: Zürich, Switzerland
What they do:
Microgrids in a box built anywhere in days
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HQ: San Francisco, CA, United States
What they do:
Skyscrape makes temperature-responsive insulation
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HQ: Portland, OR, 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