What they do:
Decarbonizing the chemicals industry.
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HQ: Houston, TX, United States
Top ClimateTech Startups
This list has 32 startups and was last updated on Oct 15, 2026. 2 of them are hiring right now. Biggest hubs: San Francisco (13), Toronto (2), and Los Angeles (2). Largest teams: Solugen, Validere, and Culdesac.
32 startups
What they do:
A carbon MRV solution for energy and hard-to-abate sectors
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What they do:
We build cities for people, not cars.
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HQ: San Francisco, CA, United States
What they do:
Managed marketplace for solar in Latam
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What they do:
Cheese and dairy products from plant-derived dairy proteins
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HQ: San Francisco, CA, United States
What they do:
Modular carbon capture
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HQ: Detroit, MI, United States
What they do:
Juicy marbles makes thick juicy and marbled plant based steaks.
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What they do:
Makes guilt-free plastics from food waste
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Nira Energy
Hiring
What they do:
Software to find the best sites for renewables on the electrical grid
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HQ: Remote
What they do:
Water risk mitigation for industrial sites
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HQ: San Francisco, CA, United States
What they do:
Underwater robotic vehicles that collect battery metals responsibly
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HQ: Los Angeles, CA, United States
What they do:
Bluedot is a single payment platform for EV drivers and fleets.
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HQ: San Francisco, CA, United States
What they do:
Reshoring critical metal production
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HQ: San Francisco, CA, United States
What they do:
We recycle plastic using engineered enzymes
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HQ: Portland, OR, United States
Revise Robotics
Hiring
What they do:
Automating refurbishment of $1T in consumer electronics
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HQ: New York, NY, United States
What they do:
Building the next generation food ingredient champion.
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What they do:
We build floating solar data centers
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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:
A stealth mode startup.
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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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What they do:
Building a frontier world model for power
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HQ: Los Angeles, CA, United States
What they do:
Drones that clear clouds over solar farms and weaken hurricanes
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HQ: San Francisco, CA, United States
What they do:
Power-ready land for AI data centers
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HQ: New York, NY, United States
Pina Earth
Acquired
What they do:
Unlocking carbon markets for European forest owners
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Nebia
Acquired
What they do:
Nebia is a breakthrough shower system, based on a premium experience,…
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HQ: San Francisco, CA, United States
Gaiascope
Acquired
What they do:
SaaS that helps renewables & energy storage operate more profitably
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HQ: Boston, MA, United States
SolarMente
Shut down
What they do:
Home electrification at $0 upfront cost
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Ovipost
Shut down
What they do:
Automated insect farming
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HQ: LaBelle, FL, United States
OutSail Technologies
Shut down
What they do:
Revolutionary, Modern Wing Sails
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HQ: San Francisco, CA, United States
Line.Build
Shut down
What they do:
Incentives and financing for energy efficiency upgrades
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HQ: San Francisco, CA, United States
Phoenix Hydrogen
Shut down
What they do:
First commodity marketplace for hydrogen.
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HQ: San Francisco, CA, United States
Questions and answers
How many startups are on this list?
There are 32 startups on this list, last updated on Oct 15, 2026.
Which of them are hiring?
2 of them are hiring right now, including Nira Energy and Revise Robotics.
Which of them have the largest teams?
By team size: Solugen (200 employees), Validere (110 employees), and Culdesac (100 employees).
Where are they based?
The biggest hubs are San Francisco (13), Toronto (2), and Los Angeles (2).