Oklo
Public
What they do:
Emission free, always on power from advanced fission power plants.
Quick facts:
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 1 of 5
What they do:
Robotics for wind turbine maintenance.
Quick facts:
HQ: Riga, Latvia
What they do:
Inspection software for renewable energy & sustainable infrastructure
Quick facts:
HQ: Los Angeles, CA, United States
What they do:
Decarbonizing the chemicals industry.
Quick facts:
HQ: Houston, TX, United States
What they do:
India's Largest EV charging network
Quick facts:
Remi
Hiring
What they do:
Simplifying roofing for homeowners, roofers and enterprises.
Quick facts:
HQ: Lehi, UT, United States
What they do:
Building the world's first fusion power plant
Quick facts:
HQ: Seattle, WA, United States
Gridware
Hiring
What they do:
Protecting the grid today, preparing the grid for tomorrow
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Modern bill payment platform for African businesses and consumers.
Quick facts:
HQ: Federal Capital Territory, Nigeria
HyLight
Hiring
What they do:
Unmanned airships for inspecting our critical assets
Quick facts:
Funding:
€13M · Oct 2026
What they do:
A carbon MRV solution for energy and hard-to-abate sectors
Quick facts:
What they do:
Building a world where alternative proteins are no longer alternative.
Quick facts:
HQ: Washington, DC, United States
What they do:
Sunrun for the developing world
Quick facts:
HQ: New York, NY, United States
What they do:
Turning food waste into Biochar to remove CO2 from the atmsophere
Quick facts:
What they do:
Raptor Maps builds software to manage the solar PV lifecycle.
Quick facts:
HQ: Boston, MA, United States
What they do:
Autonomous electric airplanes
Quick facts:
HQ: San Francisco, CA, United States
Enode
Hiring
What they do:
Energy Orchestration Platform
Quick facts:
Albedo
Hiring
What they do:
Full-stack VLEO satellite missions
Quick facts:
HQ: Denver, CO, United States
What they do:
Managed marketplace for solar in Latam
Quick facts:
What they do:
Cheese and dairy products from plant-derived dairy proteins
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The lightest electric aircraft motors in the world.
Quick facts:
HQ: Denver, CO, United States
What they do:
Lygos (W16) built and commercialized sustainable, high-performance…
Quick facts:
HQ: San Francisco, CA, United States
Paces
Hiring
What they do:
Agentic AI for Power Projects and AI Infrastructure
Quick facts:
HQ: New York, NY, United States
Reach
Hiring
What they do:
Long range, wireless energy distribution that scales
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Heart makes electric airplanes with an all-electric range of 250 miles
Quick facts:
HQ: Los Angeles, CA, United States
What they do:
Enterprise software to quantify cost-effective decarbonization…
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Building robotic mushroom farms
Quick facts:
HQ: San Francisco, CA, United States
What they do:
We make EV charging as simple and reliable as LED lights
Quick facts:
HQ: San Francisco, CA, United States
Living Carbon
Hiring
What they do:
maximizing biomass on low quality land
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Modular carbon capture
Quick facts:
HQ: Detroit, MI, United States
What they do:
Juicy marbles makes thick juicy and marbled plant based steaks.
Quick facts:
What they do:
Enterprise software for companies to track & reduce their carbon…
Quick facts:
HQ: Singapore
What they do:
All-electric seagliders for fast, affordable regional transportation
Quick facts:
HQ: North Kingstown, RI, United States
What they do:
Next-gen ingredients to decarbonize consumer products, starting w/…
Quick facts:
HQ: New York, NY, United States
What they do:
Carbon markets platform and solutions
Quick facts:
HQ: London, United Kingdom
What they do:
We make unmakeable proteins with radical advanced biomanufacturing.
Quick facts:
HQ: Edmonton, Canada
Questions and answers
How many startups are on this list?
There are 157 startups on this list, last updated on Oct 15, 2026.
Which of them are hiring?
29 of them are hiring right now, including Remi, Gridware, and HyLight.
Which of them have the largest teams?
By team size: Cruise (3,000 employees), Aerones (250 employees), and Oolu (230 employees).
Which of them raised money recently?
Latest rounds: HyLight — €13M (Oct 2026).
Where are they based?
The biggest hubs are San Francisco (55), Los Angeles (10), and New York (9).