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
Reset all

12 fixed deadlines, 86 rolling/open

May 2026

27.05. 8d left
All news - BlueInvest Community · TASC-RestoreMed / BlueInvest Community (European Commission) · €200,000–€1.4M per project (Community-Led Actions, total €7M); €100,000 per project (Transition Agendas, total €1M)
For Communities / Cooperatives For NGOs For Researchers Government Multilateral Grant Technical Assistance Mediterranean Biodiversity Blue Economy Circular Economy Coastal Protection Marine Conservation Plastic Waste Pollution Seaweed & Algae
29.05. 10d left
BlueActionBANOS - Baltic and North Sea Ocean Restoration · BlueActionBANOS · EUR 200,000 to EUR 2 million per action. Maximum EUR 500,000 to any single entity within a consortium.
For Communities / Cooperatives For NGOs Multilateral Grant Baltic Sea North Sea Biodiversity Blue Economy Coastal Protection Marine Conservation Pollution
29.05. 10d left
Funding opportunities - BlueActionBANOS · BlueActionBANOS · Community-Led Actions: grants of EUR 200,000 to EUR 2,000,000 per consortium (max EUR 500,000 per entity). Transition Agendas: up to EUR 100,000 per award.
For NGOs Government Grant Baltic Sea North Sea Biodiversity Blue Economy Capacity Building Climate Coastal Protection Marine Conservation Pollution
29.05. 10d left
BlueActionBANOS Open Call for Community-Led Actions · BlueActionBANOS · Grants of EUR 200,000 to EUR 2,000,000 per consortium. Maximum EUR 500,000 per single entity within the consortium. 100% funding rate. Paid as lump sum with stages and deliverables defined in an Individual Integrated Project Plan.
For NGOs Government Grant Baltic Sea North Sea Biodiversity Blue Economy Climate Coastal Protection Marine Conservation Pollution Waste Management
29.05. 10d left
Community-Led Actions Open Call - BlueActionBANOS · BlueActionBANOS · Grants ranging from €200,000 to €2 million per project, with up to 24 months of programme support
For Communities / Cooperatives For NGOs Government Grant Baltic Sea North Sea Blue Economy Coastal Protection Marine Conservation Pollution
31.05. 12d left
EEA Civil Society Fund Slovakia – Open Call No. 2 for Project Grants · EEA Civil Society Fund Slovakia · Grants of €50,000 to €80,000 per project; total call budget €3,380,000
For NGOs Government Grant Capacity Building
31.05. 12d left
EEA Civil Society Fund Slovakia – Open Call No. 3 for Pre-Defined Project 1 · EEA Grants / Norway Grants · Fixed grant of €140,000 (total available amount = grant amount)
For NGOs Multilateral Grant Capacity Building

June 2026

01.06. 13d left
Convergence — Indo-Pacific NGO Blended Finance Accelerator (DFAT) · Convergence Blended Finance / Australian DFAT · Stage 1 (Scoping/Feasibility): up to AUD 300,000 (~USD 200,000). Stage 2 (Proof-of-Concept/Pilot): up to AUD 840,000 (~USD 550,000). Stage 3 (Scale-up/Expansion): amount not publicly specified. Disbursed in AUD.
For NGOs Multilateral Accelerator Blended Finance Grant Global Southeast Asia Capacity Building Climate
08.06. 20d left
PRIMARY – EIT Climate-KIC Open Call · EIT Climate-KIC · €100,000 for 2-partner consortia; €150,000 for 3-partner consortia. Total budget: €900,000.
For NGOs Multilateral Grant Circular Economy Climate Research

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
31.07. 73d
BMUV Nature Conservation Association Funding (Verbändeförderung Naturschutz) · Federal Ministry for the Environment, Climate Protection, Nature Conservation and Nuclear Safety (BMUV) · EUR 4.45 million per year distributed across eligible associations and projects
For NGOs Government Grant Biodiversity Capacity Building Marine Conservation

August 2026

01.08. 74d
Oceanic Society - Expedition Impact Program Conservation Grants · Oceanic Society · USD 1,000-10,000 per grant; typically 3 grants per cycle with additional grants subject to budget availability
For Communities / Cooperatives For NGOs Foundation Grant Global Marine Conservation Plastic Waste Pollution

Rolling / Open Deadlines

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
Rolling
LIFE Programme Multi-Annual Work Programme 2025-2027 Overview · European Commission – LIFE Programme · 2025–2027 (rolling calls; specific call deadlines published on EU Funding & Tenders Portal)
For NGOs For Researchers For Startups Government Multilateral Grant Biodiversity Circular Economy Climate Marine Conservation Plastic Waste Pollution Recycling & Upcycling Waste Management
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
Interreg South Baltic Programme - Funded Projects · Interreg South Baltic Programme 2021-2027 · 6th Call opens 16 September 2026, closes 4 November 2026 (Measures 1.1 and 4.1 only; EUR 1.26M + EUR 0.78M ERDF). 4th Small-scale Project Call same window (Measure 4.1, EUR 320K indicative). Note: current 6th call does not include Measure 2.3 (circular economy).
For NGOs For Researchers Government Multilateral Grant Baltic Sea Aquaculture Blue Economy Circular Economy Climate Plastic Waste Recycling & Upcycling Waste Management
periodic
Interreg South Baltic Programme - Calls for Proposals · Interreg South Baltic Programme (EU / Joint Secretariat) · 6th call for proposals: 16 September – 4 November 2026 (Measures 1.1 and 4.1 only). 4th Small-scale project call: same window (Measure 4.1, EUR 320K ERDF indicative). Note: Measure 2.3 (circular/resource efficiency) and Measure 2.2 (water) not included in 6th call.
For NGOs For Researchers Government Multilateral Grant Baltic Sea Aquaculture Biodiversity Blue Economy Capacity Building Circular Economy Climate Coastal Protection Marine Conservation Plastic Waste Pollution Seaweed & Algae Waste Management
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
Rolling
Spain — Biodiversity Foundation - Terra Viva Grants · Fundación Biodiversidad (Biodiversity Foundation) — Spain · Annual call for proposals; specific deadline published per round
For NGOs Government Grant Global Biodiversity Capacity Building Climate Coastal Protection Marine Conservation
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
Rolling
LIFE Programme 2025-2027 Multi-Annual Work Programme (Official Document) · European Commission / CINEA (European Climate, Infrastructure and Environment Executive Agency) · Annual calls throughout 2025, 2026, and 2027
For Communities / Cooperatives For NGOs For Researchers Government Blended Finance Grant Prize Technical Assistance Biodiversity Capacity Building Circular Economy Climate Coastal Protection Marine Conservation Pollution Recycling & Upcycling Research Waste Management
Rolling
Wipro Earthian Awards - Sustainability Education Program · Wipro Foundation (Wipro Limited) · Annual program; the 2025 cycle has closed. Next round timing not specified.
For NGOs Corporate Prize India Biodiversity Education Waste Management
periodic
OCEAN Grants Programme — Community Grants and Partnership Grants (UK Blue Planet Fund) · OCEAN Grants Programme (UK Blue Planet Fund / Defra) · Annual — Round 2 closed February/March 2025; Round 3 expected to open late 2025 or early 2026
For NGOs Government Grant Global Biodiversity Coastal Protection Marine Conservation Plastic Waste
periodic
GPAP Inclusive Plastic Action Programme — Capacity Grants for NGOs · Global Plastic Action Partnership (GPAP) / World Economic Forum · Annual, 2025 edition awarded (2026 round not yet announced as of April 2026)
For Communities / Cooperatives For NGOs Multilateral Grant Global Capacity Building Circular Economy Plastic Waste Pollution Waste Management
periodic
Pure Ocean Challenges — Call for Projects · Pure Ocean · Annual, September 1 – October 1 (Phase 1); Phase 2 by invitation (October 20 – November 23)
For NGOs For Researchers Foundation Grant Global Mediterranean Biodiversity Climate Marine Conservation Plastic Waste Pollution Research
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
periodic
Baltic Sea Action Plan (BSAP) Fund - Nefco · Nefco / Nordic Investment Bank (NIB) — Baltic Sea Action Plan Fund · Annual, next call expected early 2026 (2025 round closed April 18, 2025; results announced February 2026)
For NGOs For Researchers Multilateral Grant Baltic Sea Biodiversity Circular Economy Climate Coastal Protection Fisheries Marine Conservation Plastic Waste Pollution Research Waste Management
periodic
UEFA Foundation for Children – Annual Call for Projects · UEFA Foundation for Children · Annual, typically June-July
For NGOs Foundation Grant Global Biodiversity Education
periodic
Miljøstøtte til Arktis (DANCEA) — Danish Arctic Environmental Support · Miljøstyrelsen (Danish Environmental Protection Agency) · Annual, typically June-September (2025 round: 24 September 2025)
For NGOs Government Grant Arctic Biodiversity Capacity Building Coastal Protection Marine Conservation Pollution Research
periodic
PADI AWARE Foundation Community Grant Program · PADI AWARE Foundation · Annual, typically October (most recent: 3 October 2025)
For NGOs Foundation Grant Global Coral Reefs Marine Conservation Marine Protected Areas Plastic Waste Pollution
periodic
TotalEnergies Foundation — Marine & Coastal Environment Programme · TotalEnergies Foundation · Annual, typically Q4 (2024 edition launched; no 2025/2026 open round announced)
For NGOs Corporate Grant Biodiversity Capacity Building Coastal Protection Education Marine Conservation
periodic
Prince Albert II of Monaco Foundation — Call for Projects · Prince Albert II of Monaco Foundation · Annual, typically autumn (2025 call closed; next call expected autumn 2026)
For NGOs Foundation Grant Global Mediterranean Biodiversity Climate Coastal Protection Coral Reefs Marine Conservation Marine Protected Areas Plastic Waste Pollution
periodic
Dow Business Impact Fund 2025 — Project Announcement · Dow · Annual, typically early in the calendar year (2025 cohort launched in 2025; 2026 cohort timing not stated)
For NGOs Corporate Grant Global Circular Economy Plastic Waste Recycling & Upcycling
periodic
Oceanic Society: Global Ocean Cleanup — Annual Partner Grant Programme · Oceanic Society · Annual, typically spring (2026 cycle closed; 2026 event: June 13-14, 2026)
For Communities / Cooperatives For NGOs Foundation Grant Global Marine Conservation Plastic Waste Pollution
periodic
Interreg North Sea Programme 2021-2027 · Interreg North Sea Programme · Call 6 is currently open (deadline not specified on page; rolling within Call 6 period)
For NGOs Government Multilateral Grant North Sea Biodiversity Blue Economy Circular Economy Climate Coastal Protection Marine Conservation
Rolling
King Baudouin Foundation - EU Missions Horizon Europe: Restore our Ocean and Waters · King Baudouin Foundation · Call-specific; rolling calls published at kbs-frb.be
For NGOs Foundation Grant Baltic Sea Global Biodiversity Circular Economy Marine Conservation Plastic Waste Pollution
periodic
CINEA LIFE 2026 — Circular Economy and Quality of Life Sub-Programme · European Commission / CINEA (European Climate Infrastructure and Environment Executive Agency) — LIFE Programme · Calls opened 21 April 2026; deadline expected September-October 2026. LIFE 2026 Info Days: 28-30 April 2026.
For NGOs Grant Circular Economy Marine Conservation Plastic Waste Pollution Recycling & Upcycling Waste Management
Rolling
Interreg Baltic Sea Region Programme 2021-2027 · Interreg Baltic Sea Region Programme 2021-2027 (IB.SH / EU Cohesion Policy) · Future calls expected 2026-2027; second call for project platforms closed November 2025
For NGOs For Researchers Government Multilateral Grant Baltic Sea Biodiversity Blue Economy Capacity Building Circular Economy Climate Marine Conservation Plastic Waste Research
periodic
UNDP Partnership for Preventing Riverine Plastic Pollution - Indonesia · UNDP (United Nations Development Programme) · March 2026 round passed; next round TBD
For Communities / Cooperatives For NGOs Multilateral Grant Southeast Asia Capacity Building 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
Plastic Waste Management Manual - Swachh Bharat Mission Grameen · Government of India – Department of Drinking Water and Sanitation (Swachh Bharat Mission Grameen Phase-II) · Ongoing (SBM-G Phase-II runs until programme targets are met; no fixed application deadline published)
For Communities / Cooperatives For NGOs Government Grant Technical Assistance India Capacity Building Circular Economy Plastic Waste Recycling & Upcycling 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
BINGO! Environmental Foundation Lower Saxony · Niedersaechsische Bingo-Umweltstiftung (Lower Saxony BINGO! Environmental Foundation) · Periodic
For NGOs Foundation Grant North Sea Biodiversity Capacity Building Coastal Protection Marine Conservation Pollution
periodic
KfW Blue Action Fund (BAF) – Marine Conservation Grants for NGOs · Blue Action Fund / KfW Development Bank · Periodic — open calls published on rolling basis; check blueactionfund.org for current calls
For NGOs Government Grant Global Biodiversity Marine Conservation Marine Protected Areas
periodic
Deutsche Postcode Lotterie - Environmental Project Funding · Deutsche Postcode Lotterie · Periodic, multiple rounds per year
For NGOs Foundation Grant Nordic / Denmark Biodiversity Coastal Protection Education Marine Conservation Pollution
periodic
Aage V. Jensen Naturfond – Grant Programme (3x/year) · Aage V. Jensen Naturfond · Periodic, three times per year
For NGOs For Researchers Foundation Grant Nordic / Denmark Biodiversity Marine Conservation Research
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
periodic
ESF+ Social Innovation+ Initiative - EU-level Grants · European Social Fund Plus (ESF+) / European Competence Centre for Social Innovation (Lithuania ESFA) · Periodic; calls announced on socialinnovationplus.eu
For NGOs Government Grant Capacity Building Circular Economy Education
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
GGGI Small Grants Program — Ghost Gear Removal · Global Ghost Gear Initiative (GGGI) · Rolling (membership and grant access pending available funding)
For NGOs Philanthropic Network Grant Global Fisheries Marine Conservation Plastic Waste Pollution Recycling & Upcycling
periodic
Interreg South Baltic 2021-2027 · Interreg South Baltic · Rolling - depends on specific call; programme runs until 2027
For NGOs Government Grant Baltic Sea Blue Economy Circular Economy Marine Conservation 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
Federal Programme for Biological Diversity (Bundesprogramm Biologische Vielfalt) · Bundesministerium für Umwelt, Naturschutz, nukleare Sicherheit und Verbraucherschutz (BMUV/BMUKN) · Rolling basis
For NGOs Government Grant Biodiversity Coastal Protection Marine Conservation
Rolling
Wilderness Fund (Wildnisfonds) · Bundesministerium für Umwelt, Naturschutz, nukleare Sicherheit und Verbraucherschutz (BMUV/BMUKN) · Rolling basis
For NGOs Government Grant Biodiversity Coastal Protection Marine Conservation
Rolling
Large-Scale Nature Conservation Projects (chance.natur) · Bundesamt für Naturschutz (BfN) / Bundesministerium für Umwelt, Naturschutz und nukleare Sicherheit (BMUV) · Rolling basis
For NGOs Government Grant Biodiversity Coastal Protection Marine Conservation Marine Protected Areas
Rolling
Interreg Baltic Sea Region Programme 2021-2027 · Interreg Baltic Sea Region · Rolling basis
For NGOs Government Grant Baltic Sea Biodiversity Blue Economy Circular Economy Coastal Protection Marine Conservation Pollution
Rolling
DBU General Project Funding (Projektfoerderung) · Deutsche Bundesstiftung Umwelt (DBU) · Rolling basis
For NGOs For Researchers Foundation Grant Biodiversity Circular Economy Marine Conservation Pollution Research Waste Management
Rolling
Baltic Conservation Foundation - Funding · Baltic Conservation Foundation · Rolling basis
For NGOs Foundation Grant Loan / Concessional Finance Baltic Sea Nordic / Denmark Biodiversity Capacity Building Coastal Protection Fisheries Marine Conservation Marine Protected Areas Pollution
Rolling
Waitt Foundation - Rapid Ocean Conservation (ROC) Grants · Waitt Foundation · Rolling basis
For NGOs Foundation Grant Global Fisheries Marine Conservation Marine Protected Areas
Rolling
Esmee Fairbairn Foundation - Natural World / Marine Grants · Esmee Fairbairn Foundation · Rolling basis
For NGOs Foundation Grant Biodiversity Fisheries Marine Conservation
Rolling
DOEN Foundation - Regenerative Economy Programme · DOEN Foundation · Rolling basis
For NGOs Foundation Grant Global Biodiversity Circular Economy Climate
Rolling
Greenpeace Environmental Foundation (Umweltstiftung Greenpeace) - Marine Conservation Grants · Umweltstiftung Greenpeace · Rolling basis
For NGOs Foundation Grant Biodiversity Climate Marine Conservation Pollution
Rolling
Baltic Sea Conservation Foundation (BaltCF) · Baltic Sea Conservation Foundation · Rolling basis
For NGOs Foundation Grant Baltic Sea Biodiversity Capacity Building Coastal Protection Fisheries Marine Conservation Marine Protected Areas
Rolling
Baltic Sea Conservation Foundation (BaltCF) · Baltic Sea Conservation Foundation (BaltCF) · Rolling basis
For NGOs Foundation Grant Baltic Sea Biodiversity Coastal Protection Fisheries Marine Conservation Marine Protected Areas
Rolling
Realdania - Apply for Funding: Philanthropy for Built Environment and Circular Economy · Realdania · Rolling basis
For NGOs Foundation Grant Nordic / Denmark Circular Economy Climate
Rolling
15. Juni Fonden - Environment and Nature Conservation Grants · 15. Juni Fonden · Rolling basis
For NGOs Foundation Grant Nordic / Denmark Biodiversity Marine Conservation
Rolling
Nordea-fonden - Sustainability and Nature Support Grants · Nordea-fonden · Rolling basis
For NGOs Foundation Grant Nordic / Denmark Capacity Building Education
Rolling
A.P. Moller Foundation General Grant Program · A.P. Moller Foundation · Rolling basis
For NGOs Foundation Grant Nordic / Denmark Climate Education Research
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
Patagonia — International Environmental Grants · Patagonia · Rolling basis
For NGOs Corporate Grant Nordic / Denmark Biodiversity Coastal Protection Marine Conservation
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
GEF Small Grants Programme (SGP) · Global Environment Facility (GEF) · Rolling basis
For Communities / Cooperatives For NGOs Multilateral Grant Global Biodiversity Capacity Building Marine Conservation Plastic Waste Pollution Waste Management
Rolling
Nordea-fonden — Liv i det lokale (Local Community Grants) · Nordea-fonden · Rolling basis
For NGOs Foundation Grant Nordic / Denmark Biodiversity Coastal Protection Education Marine Conservation
Rolling
Action and Quick Intervention Grants (EEA Civil Society Fund Hungary) · EEA / Norway Grants · Rolling basis
For NGOs Government Grant Capacity Building
Rolling
Rolling Call for Proposals - Quick-Response Small Projects/Actions (EEA Civil Society Fund Slovenia) · EEA / Norway Grants · Rolling basis
For NGOs Government Grant Capacity Building
Rolling
Waitt Foundation Rapid Ocean Conservation (ROC) Grants – Small Grants for Island Nation Ocean Conservation · Waitt Foundation · Rolling basis
For NGOs For Researchers Foundation Grant Fisheries Marine Conservation Marine Protected Areas
Rolling
The Ocean Foundation Grantmaking · The Ocean Foundation · Rolling basis (Letters of Inquiry reviewed quarterly; full proposals by invitation only)
For NGOs Foundation Grant Global Biodiversity Capacity Building Coastal Protection Education Marine Conservation Marine Protected Areas
Rolling
Adessium Foundation - Nature and Living Environment Programme · Adessium Foundation · Rolling basis (invitation-only; no open calls)
For NGOs Foundation Grant Mediterranean Biodiversity Coastal Protection Fisheries Marine Conservation Marine Protected Areas Pollution
Rolling
11th Hour Racing Grant Program · 11th Hour Racing · Rolling basis - applications accepted year-round in 2026
For NGOs Foundation Grant Global Circular Economy Coastal Protection Education Marine Conservation Plastic Waste
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
UNDP GEF Small Grants Programme - Waste Picker Livelihood and Plastics Projects · UNDP / Global Environment Facility (GEF) · Rolling basis at country level; individual country programmes issue calls independently
For Communities / Cooperatives For NGOs Multilateral Grant Global Capacity Building Circular Economy Plastic Waste Waste Management
Rolling
Bezos Earth Fund – Conserving & Restoring Nature Program · Bezos Earth Fund · Rolling basis — no open call; grants awarded on invite-only or strategic partnership basis
For NGOs Foundation Grant Global Biodiversity Coastal Protection Marine Conservation Marine Protected Areas
Rolling
Ashoka Fellowship - Support for Social Entrepreneurs · Ashoka · Rolling basis; nominations accepted year-round through Ashoka country offices
For NGOs Foundation Grant Global Capacity Building Circular Economy Waste Management
Rolling
Stiftung Mercator - Climate Protection Funding · Stiftung Mercator · Rolling submissions
For NGOs For Researchers Foundation Grant Capacity Building Climate
Rolling
EU Mission: Restore our Ocean and Waters - Research and innovation · European Commission – Directorate-General for Research and Innovation (Horizon Europe) · Rolling — periodic calls under the Horizon Europe Work Programme (2026/27 calls announced in January 2026)
For NGOs For Researchers Government Multilateral Grant Arctic Baltic Sea Mediterranean North Sea Biodiversity Blue Economy Circular Economy Climate Coastal Protection Marine Conservation Pollution Research
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
Rolling
Endangered Landscapes and Seascapes Programme (ELSP) · Endangered Landscapes & Seascapes Programme (ELSP) / Arcadia Fund · Rolling; open calls publicised when opened — no permanent deadline stated
For NGOs Foundation Grant North Sea Biodiversity Coastal Protection Marine Conservation
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
Interreg Central Baltic Programme 2021-2027 · Sixth Call expected 2026-2027 (Fifth Call closed September 2025)
For NGOs For Researchers For Startups Government Multilateral Grant Baltic Sea Nordic / Denmark Blue Economy Capacity Building Circular Economy Climate Coastal Protection Marine Conservation
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
European Environment Initiative (EURENI) - ZUG Germany · Zukunft – Umwelt – Gesellschaft (ZUG) gGmbH · Unknown
For NGOs Government Grant Global Capacity Building Circular Economy Pollution Waste Management
periodic
Convergence Indo-Pacific NGO Blended Finance Accelerator · Convergence Blended Finance / Australian Department of Foreign Affairs and Trade (DFAT) · Unknown
For NGOs Government Accelerator Blended Finance Grant Southeast Asia Blue Economy Capacity Building Climate
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
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