Updated: June 13, 2026
Venture Capital Firm
Climate
Energy
Third Sphere
Brooklyn, USA
We support founders who turn theory into action as they work to build a better world for everyone
Updated: June 13, 2026
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About the program
Program type
Investment stage
Investment focus areas
Description
Early-stage climate investor allocating 80% to hardware, using playbooks and Seedstrapping with $250k–$1m, AI efficiency, and alternative financing to reach $1M ARR or $10M pre-orders in 6 months.
Location
Investment offer
Can lead rounds
No
Lead preference
Never
Offer$150K - $250K
Details
Avg Check: $200K - $20M ·
Funding requirements
We invest in early-stage climate action, targeting scalable impact and returns, across clean tech, govtech, real estate, and smart building sectors.