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, 13 rolling/open

April 2026

12.04. 23d left
National Geographic Society Grants - Ocean Exploration & Discovery · National Geographic Society · Level I grants up to USD $20,000; Level II grants up to $100,000
Foundation Grant Global Education Marine Conservation Plastic Waste Research

Rolling / Open Deadlines

periodic
The Earthshot Prize · The Prince of Wales Charitable Fund (Earthshot Prize) · 2026 nominations largely closed (most nominators had Oct-Dec 2025 deadlines). 2027 cycle expected to open mid-2026.
Climate Marine Conservation Plastic Waste Pollution
periodic
OCEAN Grant Programme UK - Marine Community Grants · UK FCDO / Defra (Blue Planet Fund) · 2026-Q2
For Communities / Cooperatives For NGOs Government Grant Africa India Southeast Asia Blue Economy Marine Conservation Plastic Waste Waste Management
periodic
Oceanic Society - Expedition Impact Program Conservation Grants · Oceanic Society · Annual, Spring deadline: February 1 (awards announced March 15); Fall deadline: August 1 (awards announced September 15). Rolling consideration for time-sensitive opportunities from active expedition partners.
For NGOs Foundation Grant Global Biodiversity Marine Conservation Plastic Waste
periodic
Norway Development Assistance Program Against Marine Litter - SDG Partnership · Government of Norway (Norad — Norwegian Agency for Development Cooperation) · Call for proposals Stage 1 (concept notes) deadline: September 2025 (first phase of new programme); monitor norad.no for 2026 calls
For NGOs Government Grant Africa Global Southeast Asia Blue Economy Capacity Building Circular Economy Marine Conservation Plastic Waste Pollution Recycling & Upcycling Waste Management
Rolling
Vancouver Aquarium Ocean.org - Ocean Action Grants · Ocean Wise (ocean.org) / Canada Service Corps · December 4, 2026 (final report deadline; applications accepted on rolling basis)
For Communities / Cooperatives Foundation Grant Capacity Building Education Marine Conservation Plastic Waste
Rolling
SIDA Sweden Environmental and Climate Programs · Sida – Swedish International Development Cooperation Agency · Next large CSO grant call planned for 2027
For NGOs For Researchers Government Grant Technical Assistance Africa Global Southeast Asia Capacity Building Circular Economy Climate Marine Conservation Plastic Waste Pollution Waste Management
periodic
GIZ - SWITCH to Circular Economy in Eastern and Southern Africa (SWITCH-2-CE) · European Union and German Federal Ministry for Economic Cooperation and Development (BMZ); implemented by GIZ and Expertise France · Programme runs April 2025 to July 2029; individual call deadlines vary (Call for Projects deadline was 16 March 2026)
For NGOs For Startups Government Multilateral Grant Technical Assistance Africa Blue Economy Capacity Building Circular Economy Climate Plastic Waste Recycling & Upcycling Waste Management
periodic
KfW Development Bank Marine Litter Reduction Initiative · KfW Development Bank (on behalf of the German Federal Government), channelled through Caribbean Biodiversity Fund (CBF) · Programme runs until 2028; individual sub-grant deadlines managed by Caribbean Biodiversity Fund
For NGOs Government Multilateral Grant Global Biodiversity Blue Economy Capacity Building Circular Economy Education Marine Conservation Plastic Waste Pollution Recycling & Upcycling Waste Management
Rolling
SWITCH to Circular Economy in Eastern and Southern Africa · Expertise France (implemented on behalf of European Union & German State / GIZ) · Rolling (program active April 2025 – July 2029; Matching Grant Facility calls expected throughout program lifecycle)
For NGOs For Startups Government Multilateral Grant Technical Assistance Africa Capacity Building Circular Economy Plastic Waste Recycling & Upcycling Waste Management
Rolling
GIZ Circular Economy Expertise - Waste Solutions India · Deutsche Gesellschaft fuer Internationale Zusammenarbeit (GIZ) GmbH · Rolling - partnership enquiries possible at any time
For NGOs Government Multilateral Grant Technical Assistance Africa Global India Southeast Asia Capacity Building Circular Economy Plastic Waste Recycling & Upcycling Waste Management
Rolling
World Bank PROBLUE Ocean Trust Fund · World Bank (PROBLUE — Multi-Donor Trust Fund) · Rolling basis
Multilateral Blended Finance Grant Technical Assistance Global Aquaculture Blue Economy Capacity Building Climate Coastal Protection Fisheries Marine Conservation Marine Protected Areas Plastic Waste Pollution
Rolling
Schmidt Marine Technology Partners Grantmaking · Schmidt Marine Technology Partners (a programme of the Schmidt Family Foundation) · Rolling basis — proposals can be submitted via the online portal at any time.
For NGOs For Startups Foundation Grant Global Blue Economy Fisheries Marine Conservation Plastic Waste Research
periodic
Pew-Gerstner Fellowships for Ocean Plastic Pollution Research · The Pew Charitable Trusts and Gerstner Philanthropies · Rolling; three Pew-Gerstner Fellows to be selected over two years (2025-2026). First fellow announced 2026.
For Researchers Foundation Grant Global Marine Conservation Plastic Waste Pollution Research