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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1 fixed deadline, 11 rolling/open

April 2026

25.04. 36d
Katapult Africa Accelerator 2026 · Katapult Africa · Capital support up to $500,000, combined with mentorship and network access
For Startups Impact Investor Accelerator Investment Africa Blue Economy Circular Economy Climate Plastic Waste 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
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
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
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
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
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
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
Stiftung Mercator - Circular Economy and Plastic Pollution Projects · Rolling basis
For NGOs For Researchers For Startups Foundation Grant Capacity Building Circular Economy Climate
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
periodic
Amcor — Lift-Off Innovation Challenge · Amcor plc / Amcor Ventures · Winter 2025/26 cycle CLOSED (Dec 12, 2025). Next cycle expected late 2026.
For Startups Corporate Accelerator Global Circular Economy Plastic Waste
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