YC Climate

169 companies · 129 active · 20% AI · most in W22 (20)

Developer tools

RyhlaFaster power grid connection for your projectsYC F26San FranciscoStartup →Other

MolagriResistance free pesticides.YC S26TorontoStartup →Other

AernataMaking clean fuels out of CO2.YC X26San FranciscoStartup →Other

1849 bioEngineering microbes for miners to unlock billions in trapped metalYC S24San FranciscoStartup →AI

Ligo BiosciencesEnzyme design models.YC S24San FranciscoStartup →AI

Ontra MobilityPlatform for cities to optimize transitYC S24New York CityStartup →AI

SilurianFoundation models to simulate Earth, starting with weather.YC S24SeattleStartup →AI

SorcererBuilding a nervous system for the atmosphereYC S24San FranciscoStartup →AI

StarcloudData centers in spaceYC S24SeattleStartup →Other

PitriFungal biotechnology for non-toxic colorants.EF 2024LondonStartup →Other

ThalyaRNAi spray to enhance crop nitrogen efficiency.EF 2024ParisStartup →AIPrecipHigh precision AI weatherYC W24Ann ArborStartup →AI

SparkAI-powered workflows for energy infrastructureYC W24Startup →AI

GuacAI-powered forecasting & replenishment for groceryYC S23New York CityStartup →Other

HyLightUnmanned airships for inspecting our critical assetsYC S23ParisStartup →OtherInactive

Line.BuildIncentives and financing for energy efficiency upgradesYC S23San FranciscoStartup →Other

Ohmic BiosciencesGenetically engineering plants for disease resistance.YC S23San FranciscoStartup →AI

Orbio EarthTracking methane emissions with satellitesYC S23RemoteStartup →Other

A&B Smart MaterialsBiodegradable smart hydrogels for passive cooling.EF 2023LondonStartup →Other

Guided EnergyIntelligence for transportation and logisticsEF 2023ParisStartup →AI

AtmetoBuilding a frontier world model for powerYC W23Los AngelesStartup →Other

BluedotBluedot is a single payment platform for EV drivers and fleets.YC W23San FranciscoStartup →OtherInactive

Choppy!FAST FLAVORFUL PROTEINYC W23Los AngelesStartup →Other

CoperniqWorkflow software for solar & energy contractors ☀️😎YC W23San FranciscoStartup →OtherInactive

OutSail TechnologiesRevolutionary, Modern Wing SailsYC W23San FranciscoStartup →OtherInactiveOverfluxStreamline EV charger installations for real estate developersYC W23Los AngelesStartup →Other

RUUFManaged marketplace for solar in LatamYC W23SantiagoStartup →Other

Stralis AircraftEmission free hydrogen electric aircraftYC W23BrisbaneStartup →Other

ALT TEXBiodegradable and carbon neutral textiles, engineered from food waste.YC S22TorontoStartup →AI

Birch BiosciencesWe recycle plastic using engineered enzymesYC S22PortlandStartup →Other

EvolySmart electric & water meters as a serviceYC S22RemoteStartup →AI

HedgehogBuilding robotic mushroom farmsYC S22San FranciscoStartup →AI

PacesAgentic AI for Power Projects and AI InfrastructureYC S22New York CityStartup →Other

Seaflight TechnologiesWe make the world's most efficient aircraftYC S22SydneyStartup →Other

Wand SolarWe enable landlords to generate income from solar panels.YC S22Tel Aviv-YafoStartup →AI

CarbonFarmAI monitoring for rice-farm carbon credits.EF 2022ParisStartup →Other

PreferFlavours and ingredients from fermentation.EF 2022SingaporeStartup →Other

SequestrCarbon rights marketplace for project developers and buyers.EF 2022TorontoStartup →Other

AirMyneBuilding systems to remove carbon dioxide from air at industrial scaleYC W22San FranciscoStartup →OtherInactive

AklimateSoftware for enterprises to track and reduce supply chain emissionsYC W22LondonStartup →Other

Alga BiosciencesWe stop cows from burping methane.YC W22San FranciscoStartup →AI

Brown FoodsMaking 'REAL' Cow and Human Milk!YC W22BostonStartup →Other

Carbon CrusherWe make carbon negative roadsYC W22OsloStartup →AI

KorrAITraceable AI for billion-dollar infrastructure.YC W22TorontoStartup →Other

Nira EnergySoftware to find the best sites for renewables on the electrical gridYC W22RemoteStartup →Other

OffbeastWe make plant-based steaks with an authentic textureYC W22New York CityStartup →Other

Olympian MotorsNext-generation, modular electric vehiclesYC W22New York CityStartup →Developer toolsInactive

PelmPlaid for utilitiesYC W22San FranciscoStartup →Other

Perl StreetFinancing the next-generation of infrastructure projectsYC W22SydneyStartup →Other

Phase BiolabsWe make carbon negative chemicals from CO2 using fermentationYC W22NottinghamStartup →OtherInactive

Phoenix HydrogenFirst commodity marketplace for hydrogen.YC W22San FranciscoStartup →OtherAcquired

Pina EarthUnlocking carbon markets for European forest ownersYC W22MunichStartup →Other

RemiSimplifying roofing for homeowners, roofers and enterprises.YC W22LehiStartup →Other

RevoyMake diesel semi trucks hybrid-electricYC W22San FranciscoStartup →Other

SeaboundCarbon capture equipment for shipsYC W22LondonStartup →AI

SmartHelioSoftware to prevent downtime in a solar plantYC W22LausanneStartup →AI

Unravel CarbonEnterprise software for companies to track & reduce their carbon…YC W22SingaporeStartup →Other

WyvernHigh-res hyperspectral pictures of Earth from spaceYC W22EdmontonStartup →Other

AbatableCarbon markets platform and solutionsYC S21LondonStartup →OtherInactive

CanopiAPI to measure and eliminate carbon emissionsYC S21San FranciscoStartup →Other

CarbonfactDecarbonizing the fashion industryYC S21ParisStartup →Other

Charge RoboticsRobots that build solar farmsYC S21San FranciscoStartup →AI

Coulomb AIBattery Observability Platform for Electric VehiclesYC S21BengaluruStartup →Other

EnerjazzMaking electric vehicle batteries affordableYC S21San FranciscoStartup →AI

FerveretNuclear-inspired cooling that turns wasted power into more AI computeYC S21San FranciscoStartup →OtherInactive

HeimdalAffordable and verified direct air carbon capture and storageYC S21DenverStartup →Other

HeyChargeLow-cost, high-scale EV charging platform for apartments (and more).YC S21MunichStartup →OtherInactive

JupeJust add landYC S21San FranciscoStartup →OtherAcquired

Kapacity.ioReducing energy costs & emissions in buildings.YC S21HelsinkiStartup →OtherInactive

Micro MeatTechnologies for scaling up cultured/clean meat productionYC S21MonterreyStartup →Other

Odys AviationVertical takeoff and landing aircraft for major airlinesYC S21Los AngelesStartup →OtherInactive

Onsite ProRevolutionizing digital selling within HVACYC S21San FranciscoStartup →OtherInactive

PerfektoGrocery subscription service against food waste in LatamYC S21Mexico CityStartup →OtherPhykosGrowing seaweed to stabilize the climate.YC S21San FranciscoStartup →Other

Planet A FoodsBuilding the next generation food ingredient champion.YC S21MunichStartup →OtherInactive

SolarMenteHome electrification at $0 upfront costYC S21BarcelonaStartup →AI

WaterplanWater risk mitigation for industrial sitesYC S21San FranciscoStartup →Other

Connect EarthPortfolio carbon analytics for financial firms.EF 2021LondonStartup →Other

Drip.AIWater-from-air panels for farms and factories.EF 2021SingaporeStartup →Other

ESGnieESG data management and analytics for investors.EF 2021SingaporeStartup →Other

ever dyeWaterless dyeing for textile manufacturers.EF 2021ParisStartup →Other

FaircraftDeveloping a highly sustainable, lab-grown alternative to animal leather.EF 2021ParisStartup →Other

GreenitioBio-based polymers for CPG brands.EF 2021SingaporeStartup →Other

SunGreenH2On-site green hydrogen electrolysers for industry.EF 2021SingaporeStartup →OtherAlbedoFull-stack VLEO satellite missionsYC W21DenverStartup →Developer tools

EnodeEnergy Orchestration PlatformYC W21OsloStartup →Other

GridwareProtecting the grid today, preparing the grid for tomorrowYC W21San FranciscoStartup →Other

H3X TechnologiesThe lightest electric aircraft motors in the world.YC W21DenverStartup →AIInactive

HomeBreezeThe fastest and easiest way to make home upgradesYC W21San FranciscoStartup →AIAcquired

inBalanceElectricity price forecasts for energy storage, ev charging, etc.YC W21San FranciscoStartup →Other

Juicy MarblesJuicy marbles makes thick juicy and marbled plant based steaks.YC W21LjubljanaStartup →OtherInactive

Moxion Power Co.Mobile Energy Storage TechnologyYC W21San FranciscoStartup →OtherInactive

NoyaRadically reducing capital costs and build time for direct air captureYC W21San FranciscoStartup →OtherAcquired

Orbillion BioTasty and scalable cultivated meat at price parityYC W21San FranciscoStartup →Other

REGENTAll-electric seagliders for fast, affordable regional transportationYC W21North KingstownStartup →Other

RemoraModular carbon captureYC W21DetroitStartup →Other

Swadesi WayHealthy organic food that creates a positive impactYC W21DelhiStartup →Other

CarbonChainWe help companies automate the accounting of their carbon emissionsYC S20LondonStartup →OtherAcquired

Current FoodsImpossible foods of seafood.YC S20San FranciscoStartup →Other

Future FieldsWe make unmakeable proteins with radical advanced biomanufacturing.YC S20EdmontonStartup →

Company	Category	Status	Program
RyhlaFaster power grid connection for your projectsteam of 2YC F26ActiveDevtools	Devtools	Active	YCF26
MolagriResistance free pesticides.team of 4hiringYC S26ActiveOther	Other	Active	YCS26
AernataMaking clean fuels out of CO2.team of 2YC X26ActiveOther	Other	Active	YCX26
1849 bioEngineering microbes for miners to unlock billions in trapped metalteam of 3YC S24ActiveOther	Other	Active	YCS24
Ligo BiosciencesEnzyme design models.team of 4YC S24ActiveAI	AI	Active	YCS24
Ontra MobilityPlatform for cities to optimize transitteam of 2YC S24ActiveAI	AI	Active	YCS24
SilurianFoundation models to simulate Earth, starting with weather.team of 63 programsYC S24 +2ActiveAI	AI	Active	YC +2S24
SorcererBuilding a nervous system for the atmosphereteam of 4YC S24ActiveAI	AI	Active	YCS24
StarcloudData centers in spaceteam of 12hiringYC S24ActiveAI, Devtools	AI, Devtools	Active	YCS24
PitriFungal biotechnology for non-toxic colorants.EF 2024Not statedOther	Other	Not stated	EF2024
ThalyaRNAi spray to enhance crop nitrogen efficiency.EF 2024Not statedOther	Other	Not stated	EF2024
PrecipHigh precision AI weatherteam of 3YC W24ActiveAI, Devtools	AI, Devtools	Active	YCW24
SparkAI-powered workflows for energy infrastructureteam of 53 programsYC W24 +2ActiveAI	AI	Active	YC +2W24
GuacAI-powered forecasting & replenishment for groceryteam of 7hiringYC S23ActiveAI	AI	Active	YCS23
HyLightUnmanned airships for inspecting our critical assetsteam of 373 programsYC S23 +2ActiveOther	Other	Active	YC +2S23
Line.BuildIncentives and financing for energy efficiency upgradesteam of 3YC S23InactiveOther	Other	Inactive	YCS23
Ohmic BiosciencesGenetically engineering plants for disease resistance.team of 2YC S23ActiveOther	Other	Active	YCS23
Orbio EarthTracking methane emissions with satellitesteam of 6YC S23ActiveAI, Data	AI, Data	Active	YCS23
A&B Smart MaterialsBiodegradable smart hydrogels for passive cooling.EF 2023Not statedOther	Other	Not stated	EF2023
Guided EnergyIntelligence for transportation and logisticsEF 2023Not statedOther	Other	Not stated	EF2023
AtmetoBuilding a frontier world model for powerteam of 2YC W23ActiveAI	AI	Active	YCW23
BluedotBluedot is a single payment platform for EV drivers and fleets.team of 15YC W23ActiveOther	Other	Active	YCW23
Choppy!FAST FLAVORFUL PROTEINteam of 2YC W23InactiveOther	Other	Inactive	YCW23
CoperniqWorkflow software for solar & energy contractors ☀️😎team of 6hiringYC W23ActiveOther	Other	Active	YCW23
OutSail TechnologiesRevolutionary, Modern Wing Sailsteam of 3YC W23InactiveOther	Other	Inactive	YCW23
OverfluxStreamline EV charger installations for real estate developersteam of 2YC W23InactiveOther	Other	Inactive	YCW23
RUUFManaged marketplace for solar in Latamteam of 60YC W23ActiveOther	Other	Active	YCW23
Stralis AircraftEmission free hydrogen electric aircraftteam of 4YC W23ActiveOther	Other	Active	YCW23
ALT TEXBiodegradable and carbon neutral textiles, engineered from food waste.team of 10YC S22ActiveOther	Other	Active	YCS22
Birch BiosciencesWe recycle plastic using engineered enzymesteam of 10YC S22ActiveAI	AI	Active	YCS22
EvolySmart electric & water meters as a serviceteam of 4YC S22ActiveOther	Other	Active	YCS22
HedgehogBuilding robotic mushroom farmsteam of 50YC S22ActiveAI	AI	Active	YCS22
PacesAgentic AI for Power Projects and AI Infrastructureteam of 48hiringYC S22ActiveAI	AI	Active	YCS22
Seaflight TechnologiesWe make the world's most efficient aircraftteam of 4YC S22ActiveOther	Other	Active	YCS22
Wand SolarWe enable landlords to generate income from solar panels.team of 2YC S22ActiveOther	Other	Active	YCS22
CarbonFarmAI monitoring for rice-farm carbon credits.EF 2022Not statedAI	AI	Not stated	EF2022
PreferFlavours and ingredients from fermentation.EF 2022Not statedOther	Other	Not stated	EF2022
SequestrCarbon rights marketplace for project developers and buyers.EF 2022Not statedOther	Other	Not stated	EF2022
AirMyneBuilding systems to remove carbon dioxide from air at industrial scaleteam of 112 programsYC W22 +1ActiveOther	Other	Active	YC +1W22
AklimateSoftware for enterprises to track and reduce supply chain emissionsteam of 3YC W22InactiveOther	Other	Inactive	YCW22
Alga BiosciencesWe stop cows from burping methane.team of 6YC W22ActiveOther	Other	Active	YCW22
Brown FoodsMaking 'REAL' Cow and Human Milk!team of 5YC W22ActiveAI	AI	Active	YCW22
Carbon CrusherWe make carbon negative roadsteam of 21YC W22ActiveOther	Other	Active	YCW22
KorrAITraceable AI for billion-dollar infrastructure.team of 20YC W22ActiveAI	AI	Active	YCW22
Nira EnergySoftware to find the best sites for renewables on the electrical gridteam of 20hiringYC W22ActiveOther	Other	Active	YCW22
OffbeastWe make plant-based steaks with an authentic textureteam of 15YC W22ActiveOther	Other	Active	YCW22
Olympian MotorsNext-generation, modular electric vehiclesteam of 10hiringYC W22ActiveOther	Other	Active	YCW22
PelmPlaid for utilitiesteam of 5YC W22InactiveDevtools	Devtools	Inactive	YCW22
Perl StreetFinancing the next-generation of infrastructure projectsteam of 4YC W22ActiveOther	Other	Active	YCW22
Phase BiolabsWe make carbon negative chemicals from CO2 using fermentationteam of 10YC W22ActiveOther	Other	Active	YCW22
Phoenix HydrogenFirst commodity marketplace for hydrogen.team of 2YC W22InactiveOther	Other	Inactive	YCW22
Pina EarthUnlocking carbon markets for European forest ownersteam of 30acquiredYC W22AcquiredOther	Other	Acquired	YCW22
RemiSimplifying roofing for homeowners, roofers and enterprises.team of 170hiringYC W22ActiveOther	Other	Active	YCW22
RevoyMake diesel semi trucks hybrid-electricteam of 42 programsYC W22 +1ActiveOther	Other	Active	YC +1W22
SeaboundCarbon capture equipment for shipsteam of 18YC W22ActiveOther	Other	Active	YCW22
SmartHelioSoftware to prevent downtime in a solar plantteam of 25YC W22ActiveAI, Data	AI, Data	Active	YCW22
Unravel CarbonEnterprise software for companies to track & reduce their carbon…team of 42hiringYC W22ActiveAI	AI	Active	YCW22
WyvernHigh-res hyperspectral pictures of Earth from spaceteam of 26YC W22ActiveOther	Other	Active	YCW22
AbatableCarbon markets platform and solutionsteam of 35YC S21ActiveOther	Other	Active	YCS21
CanopiAPI to measure and eliminate carbon emissionsYC S21InactiveOther	Other	Inactive	YCS21
CarbonfactDecarbonizing the fashion industryteam of 45YC S21ActiveOther	Other	Active	YCS21
Charge RoboticsRobots that build solar farmsteam of 25hiringYC S21ActiveOther	Other	Active	YCS21
Coulomb AIBattery Observability Platform for Electric Vehiclesteam of 10hiringYC S21ActiveAI	AI	Active	YCS21
EnerjazzMaking electric vehicle batteries affordableteam of 9hiringYC S21ActiveOther	Other	Active	YCS21
FerveretNuclear-inspired cooling that turns wasted power into more AI computeteam of 16YC S21ActiveAI	AI	Active	YCS21
HeimdalAffordable and verified direct air carbon capture and storageteam of 12YC S21InactiveOther	Other	Inactive	YCS21
HeyChargeLow-cost, high-scale EV charging platform for apartments (and more).team of 17hiringYC S21ActiveOther	Other	Active	YCS21
JupeJust add landteam of 7YC S21InactiveOther	Other	Inactive	YCS21
Kapacity.ioReducing energy costs & emissions in buildings.team of 7acquiredYC S21AcquiredOther	Other	Acquired	YCS21
Micro MeatTechnologies for scaling up cultured/clean meat productionYC S21InactiveOther	Other	Inactive	YCS21
Odys AviationVertical takeoff and landing aircraft for major airlinesteam of 11hiringYC S21ActiveOther	Other	Active	YCS21
Onsite ProRevolutionizing digital selling within HVACteam of 4YC S21InactiveOther	Other	Inactive	YCS21
PerfektoGrocery subscription service against food waste in Latamteam of 33YC S21InactiveOther	Other	Inactive	YCS21
PhykosGrowing seaweed to stabilize the climate.team of 2YC S21ActiveOther	Other	Active	YCS21
Planet A FoodsBuilding the next generation food ingredient champion.team of 6YC S21ActiveOther	Other	Active	YCS21
SolarMenteHome electrification at $0 upfront costteam of 652 programsYC S21 +1InactiveOther	Other	Inactive	YC +1S21
WaterplanWater risk mitigation for industrial sitesteam of 20YC S21ActiveAI	AI	Active	YCS21
Connect EarthPortfolio carbon analytics for financial firms.2 programsEF 2021 +1Not statedOther	Other	Not stated	EF +12021
Drip.AIWater-from-air panels for farms and factories.EF 2021Not statedOther	Other	Not stated	EF2021
ESGnieESG data management and analytics for investors.EF 2021Not statedOther	Other	Not stated	EF2021
ever dyeWaterless dyeing for textile manufacturers.EF 2021Not statedOther	Other	Not stated	EF2021
FaircraftDeveloping a highly sustainable, lab-grown alternative to animal leather.EF 2021Not statedOther	Other	Not stated	EF2021
GreenitioBio-based polymers for CPG brands.EF 2021Not statedOther	Other	Not stated	EF2021
SunGreenH2On-site green hydrogen electrolysers for industry.EF 2021Not statedOther	Other	Not stated	EF2021
AlbedoFull-stack VLEO satellite missionsteam of 55hiringYC W21ActiveOther	Other	Active	YCW21
EnodeEnergy Orchestration Platformteam of 70hiringYC W21ActiveDevtools	Devtools	Active	YCW21
GridwareProtecting the grid today, preparing the grid for tomorrowteam of 125hiringYC W21ActiveOther	Other	Active	YCW21
H3X TechnologiesThe lightest electric aircraft motors in the world.team of 58YC W21ActiveOther	Other	Active	YCW21
HomeBreezeThe fastest and easiest way to make home upgradesteam of 45YC W21InactiveAI	AI	Inactive	YCW21
inBalanceElectricity price forecasts for energy storage, ev charging, etc.team of 10acquiredYC W21AcquiredAI	AI	Acquired	YCW21
Juicy MarblesJuicy marbles makes thick juicy and marbled plant based steaks.team of 45YC W21ActiveOther	Other	Active	YCW21
Moxion Power Co.Mobile Energy Storage Technologyteam of 380YC top companyYC W21InactiveOther	Other	Inactive	YCW21
NoyaRadically reducing capital costs and build time for direct air captureteam of 7YC W21InactiveOther	Other	Inactive	YCW21
Orbillion BioTasty and scalable cultivated meat at price parityteam of 7acquiredYC W21AcquiredOther	Other	Acquired	YCW21
REGENTAll-electric seagliders for fast, affordable regional transportationteam of 40YC W21ActiveOther	Other	Active	YCW21
RemoraModular carbon captureteam of 452 programsYC W21 +1ActiveOther	Other	Active	YC +1W21
Swadesi WayHealthy organic food that creates a positive impactteam of 9YC W21ActiveOther	Other	Active	YCW21
CarbonChainWe help companies automate the accounting of their carbon emissionsteam of 16hiringYC S20ActiveOther	Other	Active	YCS20
Current FoodsImpossible foods of seafood.team of 18acquiredYC S20AcquiredOther	Other	Acquired	YCS20
Future FieldsWe make unmakeable proteins with radical advanced biomanufacturing.team of 34YC S20ActiveOther	Other	Active	YCS20

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