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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3 fixed deadlines, 9 rolling/open

September 2026

30.09. 194d
GIZ Circular Economy Solutions Preventing Marine Litter in Ecosystems · GIZ (Deutsche Gesellschaft für Internationale Zusammenarbeit) / German Federal Ministry for the Environment · €7.8 million total financial commitment; co-financed by the European Union (€2.5 million)
For NGOs Government Multilateral Technical Assistance India Capacity Building Circular Economy Marine Conservation Plastic Waste Pollution Waste Management
30.09. 194d
GIZ MA-RE-DESIGN Project - Marine Litter Reduction through Design in Southeast Asia
For NGOs For Researchers Government Multilateral Technical Assistance Southeast Asia Capacity Building Circular Economy Marine Conservation Plastic Waste Pollution Waste Management

December 2026

31.12. 286d
UN SDGs - Strategic Sector Cooperation on Environment (Denmark) · Danish Ministry of Environment and the Danish Environmental Protection Agency · No external grants. Resources consist of Danish authority staff time, expert consultancies, travel, and workshop/seminar costs provided in-kind to partner governments.
Government Technical Assistance Africa India Southeast Asia Biodiversity Capacity Building Circular Economy Climate Pollution Waste Management

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
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
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
Schmidt Marine Technology Partners · Schmidt Marine Technology Partners (Schmidt Family Foundation) · Portal closed for 2025. Reopening early 2026 — check schmidtmarine.secure-platform.com
For NGOs For Researchers For Startups Foundation Grant Global Blue Economy Marine Conservation Pollution Research
periodic
Baltic Sea Neighbourhood Programme (BSNP) - Swedish Institute · Swedish Institute (Svenska institutet) · Programme currently closed; new consolidated programme launching March 2026
For NGOs For Researchers Government Grant Baltic Sea Nordic / Denmark Biodiversity Blue Economy Capacity Building Circular Economy Climate Coastal Protection Marine Conservation Pollution Research 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
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 (Schmidt Family Foundation) · Schmidt Marine Technology Partners (a program of the Schmidt Family Foundation) · Rolling basis
For NGOs For Researchers For Startups Foundation Grant Global Blue Economy Fisheries Marine Conservation Pollution 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