the number one climate organization named by most effective altruism researchers

Catalyzing resilient solutions, scaled to meet the climate challenge.

CATF is a nonprofit organization dedicated to reducing atmospheric pollution through research, advocacy, and private sector collaboration.

Clean Air Task Force

Discover nonprofits tackling climate change

Join us in supporting nonprofits working on climate change.

Climate Change

Bitcoiners contributing to climate change solutions

Monthly donations help nonprofits focus on mission and long-term impact, not fundraising. Cancel anytime.