YC ClimateTech

33 companies · 25 active · 27% AI · most in W22 (4)

33 of 33 companies

Company	Category	Status	Program
Viraj AeroNext generation engines for aircraft and data centersActiveAI	AI	Active	YCF26
MeteoricDrones that clear clouds over solar farms and weaken hurricanesActiveOther	Other	Active	YCS26
Rise ReformingWe turn waste gases into supply-secure chemicalsActiveOther	Other	Active	YCS26
DuraniumReshoring critical metal productionActiveAI	AI	Active	YCS25
AstroThe world’s first AI energy developerActiveAI	AI	Active	YCW25
Revise RoboticsAutomating refurbishment of $1T in consumer electronicsActiveAI	AI	Active	YCW25
NetworkOceanWe build and operate underwater data centers.ActiveAI, Devtools	AI, Devtools	Active	YCS24
RewbiA stealth mode startup.ActiveDevtools	Devtools	Active	YCS24
Line.BuildIncentives and financing for energy efficiency upgradesInactiveOther	Other	Inactive	YCS23
AtmetoBuilding a frontier world model for powerActiveAI	AI	Active	YCW23
BluedotBluedot is a single payment platform for EV drivers and fleets.ActiveOther	Other	Active	YCW23
OutSail TechnologiesRevolutionary, Modern Wing SailsInactiveOther	Other	Inactive	YCW23
RUUFManaged marketplace for solar in LatamActiveOther	Other	Active	YCW23
Birch BiosciencesWe recycle plastic using engineered enzymesActiveAI	AI	Active	YCS22
Wand SolarWe enable landlords to generate income from solar panels.ActiveOther	Other	Active	YCS22
Impossible MetalsUnderwater robotic vehicles that collect battery metals responsiblyActiveAI	AI	Active	YCW22
Nira EnergySoftware to find the best sites for renewables on the electrical gridActiveOther	Other	Active	YCW22
Phoenix HydrogenFirst commodity marketplace for hydrogen.InactiveOther	Other	Inactive	YCW22
Pina EarthUnlocking carbon markets for European forest ownersAcquiredOther	Other	Acquired	YCW22
Planet A FoodsBuilding the next generation food ingredient champion.ActiveOther	Other	Active	YCS21
SolarMenteHome electrification at $0 upfront costInactiveOther	Other	Inactive	YC +1S21
WaterplanWater risk mitigation for industrial sitesActiveAI	AI	Active	YCS21
Juicy MarblesJuicy marbles makes thick juicy and marbled plant based steaks.ActiveOther	Other	Active	YCW21
RemoraCarbon capture for vehiclesActiveOther	Other	Active	YCW21
Genecis BioMakes guilt-free plastics from food wasteActiveOther	Other	Active	YCW20
GaiascopeSaaS that helps renewables & energy storage operate more profitablyAcquiredOther	Other	Acquired	YCS19
ValoCutting edge hydrofoil systems for boatbuildersActiveOther	Other	Active	YCW19
CuldesacWe build cities for people, not cars.ActiveOther	Other	Active	YCS18
OvipostAutomated insect farmingInactiveOther	Other	Inactive	YCW18
Nobell FoodsCheese and dairy products from plant-derived dairy proteinsActiveOther	Other	Active	YCS17
SolugenDecarbonizing the chemicals industry.ActiveOther	Other	Active	YCW17
ValidereA carbon MRV solution for energy and hard-to-abate sectorsActiveOther	Other	Active	YCS16
NebiaNebia is a breakthrough shower system, based on a premium experience,…AcquiredOther	Other	Acquired	YCS15

Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.

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