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Fund the Work.

Make an Impact.

CCSI is 100% independently funded.

Every donation accelerates our ability to create investment systems
for communities, civil society groups, and governments worldwide.

Arm

Our Principal
Donors & Sponsors

CCSI is fully donor-funded and committed to maintaining independence, transparency, and public-interest research as a neutral platform.

We gratefully acknowledge the supporters whose contributions make our work possible. The donors and sponsors listed below provided funding for activities during the 2024–2025 fiscal year.

$250,000+

  • Anonymous
  • CAF (Development Bank of Latin America and the Caribbean)
  • Quadrature Climate Foundation
  • UK Foreign, Commonwealth & Development Office
  • Wells Fargo Foundation

$100,000 – $249,999

  • Anonymous
  • Climate Arc
  • Environmental Defense Fund
  • Foundation for International Law for the Environment (FILE)
  • Grantham Foundation
  • Rockefeller Brothers Fund
  • SDG Impact Finance Initiative (SIFI)
  • Vale International

$50,000 – $99,999

Stiftung Auxilium

$5,000 – $24,999

  • International Labor Organization
  • Stewart Investors

CCSI’s distinctive way of working has been shaped by long engagement with real institutions . . . this allows us to suggest coordinated approaches that are not only technically sound, but politically and institutionally feasible.”

Lisa Sachs, Director