Upcoming Deadlines

Range 30 days 3 months 6 months 12 months
Source EU Federal (DE) Schleswig-Holstein Mecklenburg-Vorpommern Lower Saxony Foundation Private US Foundation UK Nordic UN / Multilateral Corporate Impact Investor Philanthropic Network International
Relevance ≥70% ≥50% ≥30%
Topic Aquaculture Biodiversity Blue Economy Capacity Building Circular Economy Climate Coastal Protection Coral Reefs Education Fisheries Marine Conservation Marine Protected Areas Plastic Waste Pollution Recycling & Upcycling Research Seaweed & Algae Waste Management
Mechanism Accelerator Blended Finance Grant Investment Loan / Concessional Finance Prize Technical Assistance
Region Africa Arctic Baltic Sea Global India Mediterranean Nordic / Denmark North Sea Southeast Asia
Audience For Communities / Cooperatives For NGOs For Researchers For Startups
Funder-type Corporate Family Office Foundation Government Impact Investor Multilateral Philanthropic Network Research Council
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5 fixed deadlines, 39 rolling/open

March 2026

28.03. 8d left
Earth Journalism Network — Biodiversity Media Grants 2026 · Internews / Earth Journalism Network (EJN) · EUR 10,000–12,000 per grant; 3–4 grants expected
For NGOs Foundation Grant Africa India Southeast Asia Education Marine Conservation Research
28.03. 8d left
Internews Earth Journalism Network - Marine Conservation Media Grants · Internews / Earth Journalism Network (EJN) · Story grants plus reporting expenses; amounts vary by project
For NGOs Foundation Grant Africa India Southeast Asia Capacity Building Marine Conservation

April 2026

01.04. 12d left
COWIfonden — Engineering and Sustainability Research Grants · COWIfonden (COWI Foundation) · Not publicly specified; typically DKK hundreds of thousands to low millions
Foundation Grant Nordic / Denmark Circular Economy Research Waste Management
08.04. 19d left
Wellcome Climate Impacts Awards 2026 · Wellcome Trust · Up to £2.5 million per award
For NGOs Foundation Grant Global Capacity Building Climate Research

June 2026

01.06. 73d
Pure Earth Opportunity Fund · Pure Earth (formerly Blacksmith Institute) · USD 100,000 per grant
For NGOs Foundation Grant Africa India Southeast Asia Capacity Building Pollution Waste Management

Rolling / Open Deadlines

Rolling
New Plastics Economy Global Commitment - Ellen MacArthur Foundation · Ellen MacArthur Foundation (with UN Environment Programme) · 12-month enrollment window currently open (exact end date not specified)
For NGOs For Startups Foundation Multilateral Technical Assistance Global Circular Economy Climate Plastic Waste Recycling & Upcycling Waste Management
Rolling
Ellen MacArthur Foundation Global Commitment on Plastics · Ellen MacArthur Foundation · 12-month sign-up window for Global Commitment 2030 (started 2025)
For NGOs Foundation Technical Assistance Global Circular Economy Plastic Waste Pollution Recycling & Upcycling
periodic
OceanHub Africa / Coca-Cola Foundation: Bold Ideas in Plastic Circularity · OceanHub Africa in partnership with The Coca-Cola Foundation · 15 February 2026 at 23:59 SAST (closed)
For Startups Foundation Accelerator Grant Africa Circular Economy Plastic Waste Recycling & Upcycling
periodic
Prince Albert II of Monaco Foundation — Call for Projects · Prince Albert II of Monaco Foundation · 2025 call closed — 2026 call timing unknown
For NGOs Foundation Grant Global Marine Conservation Plastic Waste Pollution
Rolling
Schwab Foundation for Social Entrepreneurship · Schwab Foundation for Social Entrepreneurship · 2026 awards already announced; 2027 cycle TBD
For NGOs For Startups Foundation Prize Global Biodiversity Capacity Building Circular Economy Climate Waste Management
periodic
H&M Foundation — Global Change Award 2027 · H&M Foundation · 2026 cycle CLOSED (Oct 2025). Next cycle opens September 2026.
For NGOs Foundation Grant Global Circular Economy Plastic Waste
periodic
OceanHub Africa — Call for Bold Ideas in Plastic Circularity (Pan-African) · OceanHub Africa & The Coca-Cola Foundation (TCCF) · 2026 round: February 15, 2026 (CLOSED). 2027 round expected — monitor oceanhub.africa from Q4 2026.
For NGOs For Startups Foundation Accelerator Grant Africa Circular Economy Marine Conservation Plastic Waste Recycling & Upcycling
periodic
Fondation SUEZ — Waste Management Grants · Fondation SUEZ (corporate foundation of SUEZ Group) · 30 April 2026 (next deadline) and 31 October annually
For Communities / Cooperatives For NGOs Foundation Grant Africa India Southeast Asia Plastic Waste Waste Management
periodic
PADI AWARE Foundation Community Grant Program · PADI AWARE Foundation · Annual cycle. 2025 cycle: applications closed October 3, 2025. Next 2026 cycle expected to open September 2026.
For NGOs Foundation Grant Global Marine Conservation Plastic Waste Waste Management
periodic
Pew-Gerstner Fellowships in Ocean Plastics Research · Annual, by nomination — 3 fellows to be selected over 2 years from 2025; no open application portal
For Researchers Foundation Grant Global Marine Conservation Plastic Waste Pollution Research
periodic
Heinz Sielmann Foundation - Biodiversity Conservation · Heinz Sielmann Stiftung · Annual, four rounds: January 31, April 4, June 15, September 30
For NGOs Foundation Grant Biodiversity Marine Conservation
periodic
Allianz Foundation - Climate & Environment Grants · Allianz Foundation · Annual, typically February (2025 deadline was February 10, 2025)
For NGOs Foundation Grant Global Biodiversity Capacity Building Climate
periodic
TotalEnergies Foundation — 2026 Call · TotalEnergies Foundation · Applications open from 5 February 2026 — deadline not confirmed
Foundation Global Climate Marine Conservation
Rolling
Plastic Solutions Fund · Plastic Solutions Fund (Rockefeller Philanthropy Advisors) · Invitation-only
Foundation Global Circular Economy Plastic Waste
periodic
Velux Fonden (VELUX Foundation): Ocean and Marine Environment Grants · Velux Fonden (VELUX Foundation), Denmark · No current open call — not currently accepting new project ideas
For NGOs Foundation Grant Arctic Nordic / Denmark Plastic Waste Pollution
Rolling
Shell Foundation · Shell Foundation · No open call — co-design partnership model
For NGOs Foundation Africa Southeast Asia Capacity Building Climate
Rolling
TNC SOAR - Supporting Oyster Aquaculture and Restoration · The Nature Conservancy (TNC) & The Pew Charitable Trusts · Not specified — Purchase Program currently not accepting applications; Resiliency Fund operates on rolling submissions
For Startups Foundation Grant Aquaculture Biodiversity Coastal Protection Fisheries Marine Conservation
periodic
Katholischer Fonds - Foerderrichtlinien · Katholischer Fonds · Periodic — monthly for small projects (up to EUR 1,500 / total costs up to EUR 8,000), three times per year for large projects
For NGOs Foundation Grant Capacity Building Climate Education
Rolling
DBU General Project Funding - Environmental Protection · Deutsche Bundesstiftung Umwelt (DBU) · Rolling
For NGOs For Researchers For Startups Foundation Grant Biodiversity Capacity Building Circular Economy Climate Education Marine Conservation Pollution Recycling & Upcycling Research Waste Management
Rolling
William Demant Foundation · William Demant Foundation (formerly Oticon Foundation) · Rolling
Foundation Nordic / Denmark
Rolling
OceanHub Africa Acceleration Program - Blue Economy Startups · OceanHub Africa · Rolling admissions — Cohort 7 Intake 2 open as of March 2026
For Startups Foundation Accelerator Africa Aquaculture Blue Economy Coastal Protection Fisheries Marine Conservation Plastic Waste
Rolling
Realdania — Built Environment and Circular Economy · Realdania (Danish philanthropic association) · Rolling applications; no set deadlines
Foundation Nordic / Denmark Circular Economy
Rolling
Greenpeace Environmental Foundation (Umweltstiftung Greenpeace) - Marine Conservation Grants · Umweltstiftung Greenpeace (Greenpeace Environmental Foundation) · Rolling basis
For NGOs Foundation Grant Biodiversity Climate Marine Conservation
Rolling
Baltic Sea Conservation Foundation (BaltCF) · Baltic Sea Conservation Foundation (BaltCF) · Rolling basis
For NGOs Foundation Grant Loan / Concessional Finance Technical Assistance Baltic Sea Biodiversity Coastal Protection Fisheries Marine Conservation Marine Protected Areas
Rolling
Stiftung Naturschutz Schleswig-Holstein - Land Conservation · Stiftung Naturschutz Schleswig-Holstein · Rolling basis
For NGOs Foundation Grant Baltic Sea North Sea Biodiversity Climate Coastal Protection Marine Conservation
Rolling
Stiftung Mercator - Circular Economy and Plastic Pollution Projects · Rolling basis
For NGOs For Researchers For Startups Foundation Grant Capacity Building Circular Economy Climate
Rolling
Laudes Foundation (formerly C&A Foundation) - Circular Fashion · Rolling basis
For NGOs Foundation Grant Technical Assistance Global Capacity Building Circular Economy Climate Recycling & Upcycling
Rolling
Ellen MacArthur Foundation — Plastics Pact Network · Ellen MacArthur Foundation (not a grant funder — network facilitator) · Rolling membership
For NGOs Foundation Africa Global India Circular Economy Plastic Waste
Rolling
DBU Circular Economy Initiative (#DBUcirconomy) · Deutsche Bundesstiftung Umwelt (DBU) · Rolling submissions
For Researchers For Startups Foundation Grant Capacity Building Circular Economy Recycling & Upcycling Waste Management
Rolling
Stiftung Mercator - Climate Protection Funding · Stiftung Mercator · Rolling submissions
For NGOs For Researchers Foundation Grant Capacity Building Climate
Rolling
Grundfos Foundation — Community Engagement Grants · Grundfos Foundation (Poul Due Jensens Fond) · Rolling — 91 grants awarded in 2025 in 38 countries
For Communities / Cooperatives For NGOs Foundation Grant Africa Global India Nordic / Denmark Pollution
Rolling
Marine Nature Conservation Fund (Meeresnaturschutzfonds) · Deutsche Bundesstiftung Umwelt (DBU) · Rolling — applications accepted at any time
For NGOs For Researchers Foundation Grant Baltic Sea North Sea Biodiversity Coastal Protection Marine Conservation Marine Protected Areas Seaweed & Algae
Rolling
A.P. Moller Foundation · A.P. Moller Foundation (A. P. Moller og Hustru Chastine Mc-Kinney Mollers Fond) · Rolling — applications processed throughout the year
For NGOs Foundation Grant Nordic / Denmark Climate Marine Conservation Plastic Waste
Rolling
Aage V. Jensen Charity Foundation — Nature Conservation · Aage V. Jensen Charity Foundation · Rolling; no formal deadlines; submit expression of interest by email
For NGOs Foundation Africa Nordic / Denmark Southeast Asia Biodiversity Marine Conservation
Rolling
Patagonia — International Environmental Grants · Patagonia Inc. (1% for the Planet commitment) · Rolling; one proposal per group per fiscal year (May 1-April 30). Deadlines vary by programme.
For NGOs Foundation Grant Nordic / Denmark Marine Conservation Plastic Waste
periodic
The Coca-Cola Foundation (TCCF) — Recycling Value Chains Grants · The Coca-Cola Foundation (TCCF) · UNDP Asia sub-grants: varies by country programme (mid-2026 expected). OceanHub Africa round closed Feb 15, 2026.
For NGOs Foundation Grant Africa India Southeast Asia Circular Economy Marine Conservation Plastic Waste Recycling & Upcycling Waste Management
periodic
Second Muse - Social Innovation Accelerator · SecondMuse (with clients including USAID, World Bank, Rockefeller Foundation, IKEA Foundation) · periodic
For NGOs For Startups Corporate Foundation Accelerator Investment Technical Assistance Africa Global India Southeast Asia Blue Economy Capacity Building Circular Economy Climate Plastic Waste Recycling & Upcycling Waste Management
Rolling
Adessium Foundation - Circular Economy and Sustainable Living · Adessium Foundation · rolling
For NGOs Foundation Grant Global Nordic / Denmark Biodiversity Blue Economy Circular Economy Climate Marine Conservation Plastic Waste Pollution
Rolling
Global Fund for Community Foundations – Rolling Grants for Community Philanthropy · Global Fund for Community Foundations (GFCF) · rolling
For Communities / Cooperatives For NGOs Foundation Grant Africa India Southeast Asia Capacity Building Waste Management