Oak Foundation

A global foundation funding environmental conservation, biodiversity protection, and climate-related work. It supports organisations and initiatives that protect ecosystems, strengthen environmental advocacy, and advance long-term ecological sustainability across regions.

David and Lucile Packard Foundation

A major funder of conservation science and ocean and land ecosystem protection. The foundation supports research, policy, and field-based conservation work aimed at building a healthy, resilient natural world.

Rockefeller Foundation

Funds climate resilience, clean energy transitions, and environmental sustainability initiatives. Their work focuses on strengthening systems that help communities adapt to climate change and build long-term environmental resilience.

Global Greengrants Fund

Provides grassroots environmental and climate justice grants to local activists and community-based organisations. It prioritises frontline environmental action, particularly in underrepresented and vulnerable communities worldwide.

MacArthur Foundation

Supports global conservation efforts, climate solutions, and environmental policy initiatives. The foundation funds organisations working on biodiversity protection, sustainable development, and systems-level environmental change.

Ford Foundation

Funds environmental justice movements and climate-focused social change initiatives. Their work emphasises equity, community-led solutions, and the intersection of climate action with social justice.

NoVo Foundation

Supports social and environmental transformation initiatives, including climate justice, community resilience, and systems change work that links environmental and social wellbeing.

Cowles Charitable Trust

A philanthropic trust supporting conservation, climate research, and environmental protection initiatives, with funding directed toward scientific research and nature-focused impact work.