Big Bets — Climate Solutions

MacArthur Foundation Global

Funding amount

US$500,000 to US$10,000,000

Next cycle

By invitation and open calls (periodic)

Region

Global

Funder type

Foundation

For

Nonprofits & charities

Eligible organizations

501(c)(3) nonprofit, NGO, research institution

About this program

One of the largest US private foundations. Climate Big Bet focuses on limiting global average temperature increase to 1.5°C by supporting clean energy transitions, climate resilience, and environmental justice globally.

Official program page Last verified April 13, 2026 by the Grant Shifter engine

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