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Climate Fund

Funding the most effective climate solutions

Directs your donation to organizations working on proven, high-impact climate interventions including clean energy advocacy and carbon removal.

3 charitiesLast reviewed January 2026Research: GiveWell / Founders Pledge

How your donation is allocated

Every dollar is split across these organizations.

C
Clean Air Task ForceGlobal, US policy focus

Policy and technology to decarbonize the global economy

35%
C
Carbon180United States

Advancing carbon removal to reverse climate change

30%
R
Rainforest TrustTropics globally

Protecting tropical forests and biodiversity through land conservation

35%

Why we chose these charities

Charities selected based on Founders Pledge climate research. Focus on neglected areas with high leverage — policy influence, carbon removal, and tropical forest protection.

C

Clean Air Task Force

Policy and technology to decarbonize the global economy

Strong evidence

Why we chose this

Founders Pledge rates CATF as one of the most cost-effective climate organizations. They work on neglected areas including advanced nuclear, methane reduction, and industrial decarbonization. Their policy wins have had outsized impact relative to their size.

estimated cost per tonne of CO2 averted (Founders Pledge estimate)

Charity Navigator: 97/100Score as of Jan 2025. Click to verify.
Global, US policy focus
C

Carbon180

Advancing carbon removal to reverse climate change

Moderate evidence

Why we chose this

Carbon180 focuses on carbon removal — pulling CO2 out of the atmosphere — which most experts believe is necessary alongside emissions reductions. They work on policy, research, and scaling promising approaches like enhanced weathering and soil carbon.

estimated cost per tonne of CO2 removed (projected at scale)

Charity Navigator: 93/100Score as of Jan 2025. Click to verify.
United States
R

Rainforest Trust

Protecting tropical forests and biodiversity through land conservation

Strong evidence

Why we chose this

Rainforest Trust has protected over 43 million acres of tropical habitat. Tropical deforestation accounts for roughly 10% of global emissions, and forest protection is one of the most cost-effective carbon interventions available. They operate at very low overhead.

estimated cost per acre of rainforest protected

Charity Navigator: 100/100Score as of Jan 2025. Click to verify.
Tropics globally
GiveFolio curates funds based on published research from GiveWell, Founders Pledge, J-PAL, and Charity Navigator. Cost-effectiveness estimates are sourced directly from these organizations. We do not receive compensation from any featured charity.