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, 38 rolling/open

May 2026

25.05. 6d left
Blended Finance Accelerator for Fund Managers (A4FM) – Convergence · Convergence Blended Finance · Stage 1 (Scoping): up to CAD $260,000 (~USD 190,000). Stage 2 (Proof-of-Concept/Pilot): up to CAD $500,000 (~USD 365,000). Funding in Canadian Dollars. Stage 1 grants are non-repayable; Stage 2+ grants are conditionally repayable. Grantees must contribute minimum 10% of total cost.
Impact Investor Blended Finance Grant Africa Global Southeast Asia Blue Economy Climate

July 2026

01.07. 43d
Darwin Initiative · Darwin Initiative · Innovation: £10,000–£200,000; Capability & Capacity: £50,000–£200,000; Main: £100,000–£800,000; Extra: £800,000–£5,000,000
For NGOs Government Grant Africa Global Southeast Asia Biodiversity Capacity Building Marine Conservation

September 2026

09.09. 113d
DevelopmentAid - DANIDA Grants Search Portal · DANIDA – Danish International Development Agency (Ministry of Foreign Affairs of Denmark) · Highly variable across calls: from EUR 10,000 (small local competitions) to EUR 100,000,000 (multi-donor mitigation facilities). Danish CSO small grants budget not specified. Research calls: up to DKK 250,000,000.
For NGOs For Researchers For Startups Government Grant Africa Global Nordic / Denmark Southeast Asia Blue Economy Capacity Building Circular Economy Climate Education Research

October 2026

13.10. 147d
RISK Award 2027 – Munich Re Foundation · Munich Re Foundation · Up to EUR 100,000 per award; overall project budget (including all contributions) must not exceed EUR 1,000,000. Budget can be less than EUR 100,000 but not below EUR 50,000.
For NGOs Foundation Prize Africa Global Capacity Building Climate Coastal Protection
31.10. 165d
GEF Small Grants Programme - Ghana (2026 Call for Proposals) · GEF Small Grants Programme (UNDP) – Ghana · Up to USD 75,000 per project per Operational Phase (ceiling decided by the SGP National Steering Committee; GEF-8 SGP 2.0 guidelines set a maximum of USD 75,000, up from USD 50,000 in prior phases). Co-financing equal to or greater than the grant amount is encouraged.
For Communities / Cooperatives For NGOs Multilateral Grant Africa Biodiversity Capacity Building Circular Economy Climate Fisheries Marine Conservation Plastic Waste Pollution Waste Management

Rolling / Open Deadlines

periodic
Denmark Ministry of Foreign Affairs Civil Society Support · Danish Ministry of Foreign Affairs (Danida) · Annual call cycles for each scheme; development research calls issued annually; embassy grants vary by mission
For NGOs Government Grant Africa India Southeast Asia Capacity Building Climate Waste Management
periodic
Blue Planet Fund (Defra) · UK Government - Department for Environment, Food & Rural Affairs (Defra) / Foreign, Commonwealth & Development Office · Annual call; next round expected January 2026 (Round 2 grantees announced, Round 3 not yet open as of May 2026)
For NGOs Government Grant Africa Global Southeast Asia Biodiversity Capacity Building Coastal Protection Marine Conservation Pollution
periodic
Whitley Fund for Nature (Whitley Awards) · Whitley Fund for Nature · Annual, applications typically open in autumn for the following spring ceremony; 2026 round now closed (ceremony held 29 April 2026)
For NGOs Foundation Grant Prize Africa Global India Southeast Asia Biodiversity Coastal Protection Fisheries Marine Conservation
periodic
FCDO Blue Planet Fund — OCEAN Grants Programme · UK Foreign, Commonwealth & Development Office (FCDO) / Department for Environment, Food & Rural Affairs (Defra) · Annual, next call due January 2025 (per November 2024 update)
For NGOs Government Grant Africa Global Southeast Asia Biodiversity Circular Economy Coastal Protection Fisheries Marine Conservation Marine Protected Areas Plastic Waste Pollution Waste Management
Rolling
Norwegian Development Programme to Reduce Plastic Pollution and Marine Litter · Norad (Norwegian Agency for Development Cooperation) · Ongoing
For NGOs Government Grant Africa Global India Southeast Asia Capacity Building Circular Economy Marine Conservation Plastic Waste Pollution Waste Management
Rolling
Norad Marine Litter Programme — Stage 2 (Invitation Only) · Norad · Ongoing (no current deadline — open to invited applicants on a rolling basis)
For NGOs Government Grant Africa Global Southeast Asia Capacity Building Circular Economy Marine Conservation Plastic Waste Pollution Waste Management
periodic
ZUG gGmbH Grant Programme against Marine Litter · Zukunft – Umwelt – Gesellschaft (ZUG) gGmbH · Periodic, typically every 2-3 years (calls in 2020, 2021, 2022, 2025); 2025 call is closed; next call date not yet announced
For NGOs Government Grant Africa Global Southeast Asia Capacity Building Circular Economy Marine Conservation Plastic Waste Pollution Waste Management
Rolling
GIZ - SWITCH to Circular Economy in Eastern and Southern Africa (SWITCH-2-CE) · Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH · Programme runs April 2025 to July 2029; no public open call deadline
Government Technical Assistance Africa Capacity Building Circular Economy Plastic Waste Recycling & Upcycling Waste Management
periodic
Danida Green Business Partnerships (DGBP) - New Programme 2026 · Danida (Danish Ministry of Foreign Affairs) · Q2/Q3 2026 (expected launch of new programme application round; historic DGBP round closed October 2025)
Government Grant Africa Global India Southeast Asia Capacity Building Circular Economy Climate
Rolling
Convergence - Global Network for Blended Finance · Convergence Blended Finance · Rolling (grant portfolio continuously updated; multiple cohorts per year based on published grants)
For NGOs Impact Investor Blended Finance Grant Africa Global Southeast Asia Blue Economy Circular Economy Climate
Rolling
Norwegian Development Programme to Combat Marine Litter and Microplastics (Norad/MFA) · Norad - Norwegian Agency for Development Cooperation · Rolling - depends on specific open call
Government Grant Africa Global Southeast Asia Capacity Building Marine Conservation Plastic Waste Pollution Waste Management
Rolling
[PDF] INITIATIVES & PROJECTS - Fondation Prince Albert II de Monaco · Prince Albert II of Monaco Foundation (Fondation Prince Albert II de Monaco) · Rolling / annual calls per initiative (e.g., DIMFE annual call; Polar Initiative call launched June 2024; Pelagos Initiative call 2024). No single universal deadline.
For NGOs For Researchers For Startups Foundation Blended Finance Grant Prize Technical Assistance Africa Arctic Global Mediterranean Southeast Asia Biodiversity Blue Economy Climate Coastal Protection Coral Reefs Fisheries Marine Conservation Marine Protected Areas Plastic Waste Pollution Research
Rolling
Adaptation Fund - Nature-Based Solutions for Coastal Adaptation · Adaptation Fund · Rolling basis
Multilateral Grant Africa Global India Southeast Asia Biodiversity Climate Coastal Protection Marine Conservation
Rolling
Grant-making - Oak Foundation · Oak Foundation · Rolling basis
Foundation Grant Africa Global Southeast Asia Biodiversity Climate Fisheries Marine Conservation
Rolling
DOEN Foundation - Project Grants · DOEN Foundation · Rolling basis
Foundation Grant Africa Circular Economy Climate
Rolling
DOEN Foundation - Institutional Grants - GET.invest · DOEN Foundation · Rolling basis
Foundation Grant Africa Circular Economy Climate
Rolling
Circular Entrepreneurship - Stichting DOEN · DOEN Foundation · Rolling basis
Foundation Blended Finance Grant Loan / Concessional Finance Africa Global Circular Economy Recycling & Upcycling Waste Management
Rolling
Sustainable Energy - Stichting DOEN · DOEN Foundation · Rolling basis
Foundation Blended Finance Grant Loan / Concessional Finance Africa Global India Blue Economy Climate
Rolling
Global Fund for Coral Reefs - Fondation Prince Albert II de Monaco · Global Fund for Coral Reefs (GFCR) · Rolling basis
Foundation Multilateral Blended Finance Grant Investment Africa Global Southeast Asia Biodiversity Blue Economy Coral Reefs Marine Conservation Marine Protected Areas
Rolling
Danish Climate Investment Fund (DCIF) - Impact Fund Denmark · Impact Fund Denmark · Rolling basis
Government Investment Africa India Southeast Asia Climate Waste Management
Rolling
Alliance to End Plastic Waste (AEPW) — Partnership Programme · Alliance to End Plastic Waste (AEPW) · Rolling basis
For NGOs Corporate Blended Finance Grant Africa Global India Southeast Asia Circular Economy Plastic Waste Pollution Recycling & Upcycling Waste Management
Rolling
Aage V. Jensen Charity Foundation — Nature Conservation · Aage V. Jensen Charity Foundation · Rolling basis
For NGOs Foundation Grant Africa Arctic Global Southeast Asia Biodiversity Capacity Building Coastal Protection Marine Conservation Marine Protected Areas
Rolling
Norfund Frontier Facility — High-Risk Project Development Fund · Norfund · Rolling basis
Investment Africa Global Blue Economy
Rolling
UK PACT - Partnering for Accelerated Climate Transitions · UK PACT (UK Government, FCDO / DESNZ) · Rolling basis (country funds have individual open calls)
Government Grant Technical Assistance Africa Global India Southeast Asia Blue Economy Capacity Building Climate
Rolling
Development Bank of Southern Africa (DBSA) Green Fund · Development Bank of Southern Africa (DBSA) · Rolling basis - Green Fund accepts applications on an ongoing basis
Government Blended Finance Grant Africa Circular Economy Climate Recycling & Upcycling Waste Management
Rolling
DOEN Foundation Funding Opportunities · DOEN Foundation (Stichting DOEN) · Rolling basis - applications accepted year-round via online portal
For NGOs Foundation Grant Africa Global Biodiversity Capacity Building Circular Economy Waste Management
Rolling
Africa Circular Economy Facility (ACEF) - African Development Bank · African Development Bank (AfDB) - Africa Circular Economy Facility (ACEF) · Rolling basis — ACEF is an ongoing trust fund established in 2022, aligned with AfDB 10-year strategy (2024–2033)
Multilateral Grant Technical Assistance Africa Capacity Building Circular Economy Recycling & Upcycling Waste Management
Rolling
AfDB — Africa Circular Economy Facility (ACEF) and AfriCircular Innovators · African Development Bank Group · Rolling basis; no specific open call deadline identified on the public page
Multilateral Grant Technical Assistance Africa Capacity Building Circular Economy Recycling & Upcycling Waste Management
Rolling
EPPIC — End Plastic Pollution International Collaborative Grant Program · IUCN / End Plastic Pollution International Collaborative (EPPIC) · Rolling, per RFP announcement; 2024 RFPs are now closed. Next RFPs date unknown.
For NGOs Multilateral Grant Africa Global Capacity Building Circular Economy Plastic Waste Pollution Recycling & Upcycling Waste Management
periodic
OCEAN Grant Programme UK - Marine Community Grants · UK Blue Planet Fund / OCEAN Grants Programme (administered by NIRAS) · Round 2 application window is now closed. Future rounds expected; sign up to mailing list for updates. Programme runs until 2029.
For NGOs Government Grant Africa Global India Southeast Asia Biodiversity Coastal Protection Fisheries Marine Conservation Plastic Waste Pollution
periodic
Civil Society Fund · CISU - Civil Society in Development · Small/Large Project: January 28, 2026 and August 26, 2026; Small Programme: March 4, 2026 and September 9, 2026; Co-financing: Ongoing/rolling
For NGOs Government Grant Africa Global Southeast Asia Capacity Building Circular Economy Waste Management
periodic
Adaptation Fund Climate Innovation Accelerator (AFCIA) · United Nations Development Programme (UNDP) / Adaptation Fund / European Union · Unknown
For Communities / Cooperatives For NGOs Multilateral Accelerator Grant Africa Global Southeast Asia Biodiversity Blue Economy Capacity Building Climate Coastal Protection Fisheries Marine Conservation
periodic
RAIN Challenge – Resilient Agriculture Innovations for Nature (East Africa) · Munich Re Foundation · Unknown
For NGOs Foundation Prize Africa Biodiversity Capacity Building Climate
periodic
Catalytic Climate Finance Facility (CCFacility) – CPI & Convergence · Climate Policy Initiative (CPI) and Convergence Blended Finance · Unknown
Impact Investor Blended Finance Grant Africa Global Southeast Asia Blue Economy Climate Marine Conservation
periodic
Blue Action Fund (BMZ/KfW) - Marine Protected Areas Funding · Blue Action Fund · Upcoming Call for Proposals planned Q2/2026 for Indonesia, Philippines, Vietnam, and India (mangroves, blue carbon markets, 30x30). No current open call.
For NGOs Government Grant Africa India Southeast Asia Biodiversity Blue Economy Fisheries Marine Conservation Marine Protected Areas
periodic
Blue Action Fund Grant Programme · Blue Action Fund · Upcoming call planned Q2/2026 (Mangroves, Blue Carbon Markets and 30x30 in Indonesia, Philippines, Vietnam and India). No currently open call as of May 2026.
For NGOs Foundation Grant Africa India Southeast Asia Biodiversity Coastal Protection Marine Conservation Marine Protected Areas
periodic
Convergence Blended Finance — Accelerator Design Grants · Convergence Blended Finance · Varies by initiative window. Indo-Pacific NGO Blended Finance Accelerator: second call launching June 1, 2026. A4FM Fund Managers: May 25, 2026. Asia Climate Solutions: date TBA. Catalytic Climate Finance Facility: date TBA.
For NGOs Impact Investor Blended Finance Grant Africa Global Southeast Asia Capacity Building Climate
Rolling
Circular Economy Accelerator (CEA) by Fetola · Fetola (in partnership with Nedbank) · Waiting list open (no fixed deadline for next cohort)
For Startups Corporate Foundation Accelerator Technical Assistance Africa Capacity Building Circular Economy Waste Management