Clean Air Task Force

What Clean Air Task Force does

Clean Air Task Force (CATF) is a Boston-based climate nonprofit founded in 1996. It works to cut greenhouse gas emissions and air pollution by pushing for the policies and technologies needed to decarbonize the whole economy, including sectors that are hard to clean up with renewable power alone. Its program areas include methane pollution, carbon capture, advanced nuclear and fusion energy, hydrogen, superhot rock geothermal, power plants, energy access and transportation.

CATF pairs technical analysis with policy advocacy and stakeholder engagement: it studies which technologies and rules could make the biggest difference, then works with lawmakers, regulators and industry to put them in place. The climate evaluator Giving Green credits it with advocating for the methane-pollution provisions of the Inflation Reduction Act, giving technical input on the federal infrastructure law (including helping secure $74 million for enhanced geothermal pilot projects), and shaping the U.S. clean-hydrogen production tax credit. It now works across the U.S., Europe, Africa and the Middle East and North Africa, with a European office in Rotterdam.

Giving Green named CATF one of its 2025–2026 Top Climate Nonprofits and committed $4 million over two years, and Charity Navigator gives it four stars. It is a large organization, with $46.7 million in 2023 revenue according to Giving Green, so an individual gift supports a broad portfolio of policy work rather than a single project.

Key facts

• Named a Giving Green 2025–2026 Top Climate Nonprofit, with $4 million committed over two years (Giving Green, Nov 2025)
• Giving Green credits CATF with advocating for the Inflation Reduction Act's methane-pollution provisions and helping secure $74 million for enhanced geothermal pilot projects through the federal infrastructure law (IIJA)
• Revenue of $46.7 million in 2023 and a target 2025 expense budget of about $41 million (Giving Green evaluation)
• CATF reports that Founders Pledge lists it among its top climate charities (CATF, Dec 2025)

Before you give

• Accepts stock transfers (broker instructions on catf.us/donate), donor-advised fund grants, wire transfers and checks (catf.us/donate).
• Qualified charitable distributions from IRAs (age 70½+) and bequests can be set up through FreeWill links on catf.us/donate.
• Many employers match gifts; CATF also accepts workplace giving (catf.us/donate).
• Donors outside the US can give tax-efficiently through partner organizations in Australia, Czech Republic, Germany, Netherlands, Belgium, New Zealand, Spain, Sweden, Switzerland and the UK (catf.us/donate).