← Startups in San Francisco

San Francisco Climate 37 startups

"Climate" Startups in San Francisco

Every active San Francisco startup we index that carries the "Climate" tag.

All startups in San Francisco → "Climate" startups nationwide →

Last updated

2026-09-02

Hiring right now 3% 1 of 37

Open roles 65

City San Francisco

Our index currently lists 37 tech startups in San Francisco tagged "Climate" — a city×tag slice of the live directory, not every "Climate" company nationwide and not every San Francisco startup regardless of tag. 3% of this slice is hiring right now (1 of 37). Apply links on each profile go to the company's own site; we don't act as a middleman. "Climate" startups in San Francisco include Oklo, 1849 bio, AirMyne, Alga Biosciences, and AmpUp. Categories represented here: Climate, Consumer, and Healthcare. YC batches in this slice: S21, S24, W22, and W19, among others. Widen the view anytime: all San Francisco startups at /startups/location/san-francisco, or every "Climate" company nationwide at /startups/tag/climate.

Emission free, always on power from advanced fission power plants.

Small Modular ReactorsClimate

Engineering microbes for miners to unlock billions in trapped metal

Hard TechSynthetic BiologyBiotech

Building systems to remove carbon dioxide from air at industrial scale

Carbon Capture and RemovalHard TechHardware

Alga Biosciences

We stop cows from burping methane.

BiotechClimateAgriculture

We make EV charging as simple and reliable as LED lights

ClimateElectric Vehicles

Ultra-precise AI weather forecasting.

Artificial IntelligenceMachine LearningWeather

Bluedot is a single payment platform for EV drivers and fleets.

FintechClimateTransportation

Charge Robotics

Robots that build solar farms

RoboticsSolar PowerConstruction

Workflow software for solar & energy contractors ☀️😎

SaaSSolar PowerB2B

Self-driving cars.

Autonomous DeliveryMachine LearningClimate

Impossible foods of seafood.

Predictive Explorer and Driller for Critical Metal Deposits

AI-Enhanced LearningClimateMining

Eclipse Foods is building the future of dairy using micelles, the…

ConsumerClimateFood Tech

Smart electric & water meters as a service

Nuclear-inspired cooling that turns wasted power into more AI compute

HardwareClimateEnergy

Protecting the grid today, preparing the grid for tomorrow

HardwareClimateEnergy

Building robotic mushroom farms

RoboticsClimateFood Tech

Electricity price forecasts for energy storage, ev charging, etc.

Energy StorageSaaSClimate

Industrial Microbes

We design and build microbes to make chemicals greener at lower cost.

Carbon Capture and RemovalBioplasticClimate

Ligo Biosciences

Enzyme design models.

Artificial IntelligenceDeep LearningSynthetic Biology

maximizing biomass on low quality land

Synthetic BiologyBiotechClimate

Lygos engineers yeast to convert sugar into high-value industrial…

Synthetic BiologyClimateBiotechnology

Hyper-efficient coolers for data centers

Artificial IntelligenceHardwareClimate

Nebia is a breakthrough shower system, based on a premium experience,…

HardwareSustainabilityClimate

Cheese and dairy products from plant-derived dairy proteins

SustainabilityClimateFood Tech

Ohmic Biosciences

Genetically engineering plants for disease resistance.

Synthetic BiologyBiotechClimate

Tasty and scalable cultivated meat at price parity

Cultured MeatClimateFood Tech

Restoring nature to solve climate change.

Carbon Capture and RemovalMachine LearningClimate

Growing seaweed to stabilize the climate.

Carbon Capture and RemovalClimate

Autonomous electric airplanes

AirplanesClimateAgriculture

Long range, wireless energy distribution that scales

Make diesel semi trucks hybrid-electric

LogisticsClimateElectric Vehicles

Enterprise software to quantify cost-effective decarbonization…

Carbon Capture and RemovalSaaSClimate

Building a nervous system for the atmosphere

Artificial IntelligenceHard TechHardware

Water risk mitigation for industrial sites

Machine LearningSaaSB2B

Wren is a monthly subscription to offset your carbon footprint.

ConsumerClimate

Zitara Technologies, Inc.

Predictive battery management software for electrified fleets

ClimateElectric Vehicles

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Simple, fun, and fast electric vehicles.

Electric Vehicles

Apollo Atomics, Inc.

We make the most compact nuclear reactors

Small Modular ReactorsManufacturing

Shinkei Systems

Robots for longer-lasting, better-tasting fish at scale.

HardwareRoboticsFood Tech

We make carbon negative roads

Carbon Capture and RemovalConstructionClimate

All startups in San FranciscoEvery tag "Climate" startups nationwideEvery city "Artificial Intelligence" startups in San Francisco606 startups "AI" startups in San Francisco572 startups "B2B" startups in San Francisco520 startups "SaaS" startups in San Francisco428 startups "Developer Tools" startups in San Francisco307 startups "Fintech" startups in San Francisco180 startups "Generative AI" startups in San Francisco137 startups "Consumer" startups in San Francisco120 startups

Frequently asked questions

How many "Climate" startups are in San Francisco?

Our index currently tracks 37 active tech startups in San Francisco tagged "Climate". Counts move as scrapers discover new companies and flag shutdowns inactive.

Which "Climate" startups are based in San Francisco?

Companies on this page include Oklo, 1849 bio, and AirMyne, plus 34 more below. Each profile links to the company's site and any open roles we scrape.

How is this different from the San Francisco startups page or the "Climate" tag page?

/startups/location/san-francisco lists every indexed startup in San Francisco across tags. /startups/tag/climate lists every "Climate" startup nationwide. This page is the intersection — only companies that resolve to both San Francisco and "Climate".

Are these San Francisco "Climate" startups hiring?

1 of the 37 companies on this page currently have open roles in our jobs index.

How often is this list updated?

Automated scrapers refresh on the same daily cadence as the rest of the directory. The last index update was 2026-09-02.