Updated: June 13, 2026

About the program
Program type
Investment stage
Investment focus areas
Waste
Circular Economy
Nfts
Recurring
Web3
NFT
Metaverse
Onchain
Renewables
Blockchain
Token
Decentralized Finance
Non-Fungible
Collaboration Tools
Productivity Tools
Cryptocurrency
Climate
CleanTech
Environnement
Environmental
SaaS
Decentralization
Environment
Software
Crypto
Biodiversity
Defi
Subscription
Decentralized
GreenTech
Description
Cerulean is investing to build the API for Nature. We invest in open source software companies and networks building the infrastructure necessary to scale climate impact in this decade.
Location
Program details
Value add
We are founders with exits, with deep product management and marketing expertise. We connect our portfolio with climate NGOs, policymakers, and enterprise customers, and help founders get to market readiness as fast as possible. We're very hands on.
Investment offer
Check size$100 – $300,000
Funding requirements
We invest in open source software, blockchain, crypto, and climate tech from pre-seed to seed, pre-revenue.