YC Climate startups
53 Y Combinator companies in Climate, 3 of them from the last four batches. Its share of recent batches is 0.4%, up from 0.2% in the four batches before. About 25% are AI companies by YC’s tags.
- Signal
- Open
- Since 2025
- 4 vs 5 in 2023–24
- Acquired or public
- n/a
- Listed as inactive
- n/a
Share of each batch
Climate companies as a share of each YC batch since 2015.
Newest entrants
Too few Climate companies are five or more years old to show outcomes.
- Meteoric S26 · Drones that clear clouds over solar farms and weaken hurricanes
- Rise Reforming S26 · We turn waste gases into supply-secure chemicals
- OctaPulse W26 · OctaPulse builds computer vision and robotics for fish farms and…
Building in Climate?
Open problems and funding on Questd for climate tech.
- General Catalyst · Five Critical Industries
- Founders Fund · Hard Tech Investment Thesis
- Khosla Ventures · Breakthrough Technology Thesis
- Techstars · $220K ($20K for 5% + $200K uncapped MFN SAFE)
Climate companies, newest first
53 companies
- Meteoric
Drones that clear clouds over solar farms and weaken hurricanes
Summer 2026Climate2San Francisco, CA, USA - Rise Reforming
We turn waste gases into supply-secure chemicals
Summer 2026Climate4Chicago, IL, USA - OctaPulse
OctaPulse builds computer vision and robotics for fish farms and…
Winter 2026Climate2Frisco, TX, USA - RimbaAI
Streamlining Data Capture to Report Creation for Heavy Industries
Spring 2025Climate4San Francisco, CA, USA - NetworkOceanAI
We build floating solar data centers
Summer 2024Climate4San Francisco, CA, USA - PlumeAI
Renewable infrastructure deployment at scale.
Summer 2024Climate9Paris, Île-de-France, France - SilurianAI
Foundation models to simulate Earth, starting with weather.
Summer 2024Climate6Seattle, WA, USA - SorcererAI
Building a nervous system for the atmosphere
Summer 2024Climate4San Francisco, CA, USA - HyLight
Unmanned airships for inspecting our critical assets
Summer 2023Climate37Paris, Île-de-France, France - ALT TEX
Biodegradable and carbon neutral textiles, engineered from food waste.
Summer 2022Climate10Toronto, ON, Canada - Birch BiosciencesAI
We recycle plastic using engineered enzymes
Summer 2022Climate10Portland, OR, USA - PacesAI
Agentic AI for Power Projects and AI Infrastructure
Summer 2022Climate48New York City, NY, USA - Voltic
Electric cargo ships
Summer 2022Climate5New York City, NY, USA - Wand Solar
We enable landlords to generate income from solar panels.
Summer 2022Climate2Tel Aviv-Yafo, Tel Aviv District, Israel - AirMyne
Building systems to remove carbon dioxide from air at industrial scale
Winter 2022Climate11San Francisco, CA, USA - Alga Biosciences
We stop cows from burping methane.
Winter 2022Climate6San Francisco, CA, USA - Carbon Crusher
We make carbon negative roads
Winter 2022Climate21Oslo, Oslo, Norway - Glow Energy
Unlocking Virtual Power Plants for rental properties
Winter 2022Climate6Los Angeles, CA, USAAcquired - Impossible MetalsAI
Underwater robotic vehicles that collect battery metals responsibly
Winter 2022Climate20Los Angeles, CA, USA - Nira Energy
Software to find the best sites for renewables on the electrical grid
Winter 2022Climate20Remote - Phase Biolabs
We make carbon negative chemicals from CO2 using fermentation
Winter 2022Climate10Nottingham, England, United Kingdom - Pina Earth
Unlocking carbon markets for European forest owners
Winter 2022Climate30Munich, BY, GermanyAcquired - Posh
Rapidly deployable energy solutions for modern commercial and…
Winter 2022Climate10San Francisco, CA, USA - Seabound
Carbon capture equipment for ships
Winter 2022Climate18London, England, United Kingdom
Sector is YC’s own label in its public company directory. See the methodology, every sector side by side, or browse open problems worth solving.