Climate tech companies and startups in the USA hiring now

Mill

San Bruno, US

Mill offers a kitchen bin that dries, shrinks, and de-stinks leftover food, eliminating food waste. Mill makes it easy to keep food out of landfills with innovative food recycling solutions for homes, workplaces, and cities.

22 open roles

Tomorrow.io

Boston, US

Tomorrow.io is transforming how organizations make weather-driven decisions through proprietary space infrastructure, AI-powered forecasting, and operational weather intelligence.

16 open roles67% remote

Watershed

San Francisco, US · Series C

Watershed is the enterprise sustainability platform. Companies use Watershed to manage climate and ESG data, produce audit-ready metrics for voluntary and regulatory reporting, and drive real decarbonization.

16 open roles4% remote

AtmosZero

AtmosZero provides industrial electric boilers. Its modular boiler converts ambient heat into decarbonized steam.

9 open roles0% remote

Arcadia

Washington, US · Series E

Arcadia is the energy intelligence platform for businesses. It provides one platform to pay utility bills, buy energy, and advance sustainability. The platform combines unified energy data, AI-powered analytics, and expert advisory.

6 open roles53% remote

JetZero

JetZero develops commercial and defense aircraft. It is an American aerospace company.

6 open roles

Rondo Energy

Rondo makes a heat battery that converts wind and solar power into continuous industrial heat and power. The battery charges with intermittent electricity from local wind and solar or from the grid.

5 open roles20% remote

Aro Homes

Aro Homes designs and delivers net-zero single-family homes for established neighborhoods.

5 open roles0% remote

Relae (formerly Carbon Direct)

US · Seed

Relae is a climate advisory firm covering carbon removal, power and energy, environmental markets, and climate strategy.

4 open roles100% remote

Charm Industrial

San Francisco, US · Series B

Charm Industrial converts excess inedible biomass into carbon-rich bio-oil and injects it into underground storage for permanent carbon removal. The company designs, builds and operates a fleet of mobile fast pyrolyzers that convert ag and forest biomass residues into Charm Bio-oil and Charm Biochar.

4 open roles0% remote

Sweep

Paris, FR · Series B

Sweep provides sustainability and carbon-management software for enterprises.

3 open roles0% remote

Electra

Boulder, US · Series B

Electra produces clean iron through a low-temperature, electrochemical-hydrometallurgical process that uses renewable energy to transform iron ore into 99% pure iron. The company's modular system is designed as building blocks that can be easily added and combined for rapid scaling.

3 open roles

Worldly

Concord, US · Series B

Worldly provides visibility into environmental and social performance, including carbon, water, chemicals, and labor, at the product, facility, and value-chain levels.

3 open roles100% remote

Isometric

London, GB · Series A

Isometric is an agentic certification platform for the industrial economy. Buyers of carbon removal pay Isometric to validate delivery, which is verified through sensors, audits, and physical inspections.

2 open roles60% remote

Patch

San Francisco, US · Series B

Patch is an AI-native services company that helps enterprises secure environmental resources. Its platform connects Fortune 500 sustainability commitments to carbon removal, nature-based solutions, sustainable aviation fuel, and renewable energy certificates.

2 open roles0% remote

Fortera

Fortera produces low-carbon cementitious materials. Its cement product reduces carbon dioxide emissions during cement manufacturing.

2 open roles

Cyclic Materials

Cyclic Materials builds infrastructure for rare earth recovery and production. The company produces high-purity rare earth oxides for permanent magnets.

2 open roles

Twelve

Berkeley, US · Series B

Twelve uses electrochemistry to convert CO2 into fuels, chemicals, and materials. The company's AirPlant platform produces synthetic fuels and chemicals from CO2, water, and electricity.

2 open roles

Vaulted Deep

Vaulted Deep builds and operates disposal infrastructure for organic waste. It places organic waste slurry deep underground.

2 open roles

Captura

Series B

Captura serves as a technology company that focuses on climate solutions.

2 open roles

Deep Sky

Deep Sky develops projects to reduce atmospheric carbon dioxide.

1 open roles

Heirloom Carbon

San Francisco, US · Series B

Heirloom Carbon provides direct air capture technology that accelerates natural carbon mineralization to capture carbon dioxide from the atmosphere.

1 open roles

Aclima, Inc.

San Francisco, US

Aclima, Inc.’s professional analytics software, Aclima Pro, translates measurements into environmental intelligence for governments, companies, and communities.

1 open roles

Bedrock Energy

Series A

Bedrock Energy develops geothermal design technologies. Its deployment teams install geothermal heat pump systems for real estate owners.

1 open roles

Magrathea

Series A

Magrathea develops electrolytic processes for making magnesium metal.

1 open roles

Terradot

Terradot’s technology measures and verifies each ton removed.

1 open roles

Hertha Metals

Series A

Hertha Metals develops steel production solutions. Its technology uses pyrometallurgical processes and flexible feedstocks.

1 open roles

CREW Carbon

Series A

CREW Carbon uses ground-up limestone to improve sewage plant efficiency. It keeps carbon dioxide out of the atmosphere.

1 open roles

Sylvera

London, GB · Series B

Sylvera builds software that independently and accurately automates the evaluation of carbon projects that capture, remove, or avoid emissions.

1 open roles0% remote

Boston Metal

Boston Metal develops Molten Oxide Electrolysis technology for metals production.

1 open roles