Upcoming Deadlines
Source
EU
Federal (DE)
Schleswig-Holstein
Mecklenburg-Vorpommern
Lower Saxony
Foundation
Private
US Foundation
UK
Nordic
UN / Multilateral
Corporate
Impact Investor
Philanthropic Network
International
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
30 fixed deadlines, 86 rolling/open
May 2026
25.05.
6d left
Illuminating Climate Solutions (NGS + The Climate Pledge)
· National Geographic Society
· Up to $100,000. Recommended: up to $20,000 for applicants with five or fewer years of experience. Funds may be used over two years.
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)
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.
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.
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.
29.05.
10d left
BlueActionBANOS — Open Call: Community-Led Actions
· BlueActionBANOS
· EUR 200,000 to EUR 2,000,000 per Community-Led Action; maximum EUR 500,000 to any single entity within a consortium
31.05.
12d left
Illuminating the Mekong River Basin
· National Geographic Society
· Up to $20,000. Funds usable over two years.
31.05.
12d left
Common Waters: Community-based Coastal and Riverine Stewardship
· National Geographic Society
· Level I: up to $20,000 (for earlier-career applicants, first-time NGS grantees). Level II: up to $75,000 (for established practitioners or prior NGS grantees).
June 2026
17.06.
29d left
EU Blue Partnership - Transitioning Blue Economy Sectors
· Sustainable Blue Economy Partnership (SBEP)
· Total estimated budget approx. EUR 43.5 million pooled across 38 national/regional funding organisations and co-funded by the EU (Horizon Europe). Individual project budgets depend on national regulations and participating funders.
30.06.
42d
Aage V. Jensen Nature Foundation - Marine Ecosystem Conservation
· Aage V. Jensen Naturfond
· DKK 4-7 million over 2-5 years (approx. EUR 540,000 to EUR 940,000 total). Funds PhD positions (including tuition), postdocs, and up to 10% of permanent scientific staff salaries.
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
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
August 2026
01.08.
74d
Rolex-Explorers Club Grant
· The Explorers Club / Rolex
· Historically, awards have been given in the amount of $10,000 USD.
27.08.
100d
Environment and Natural Values Related to Possible Future Mineral ...
· The Research Council of Norway
· NOK 8-16 million per project (approx. EUR 680,000-1,360,000 at ~0.085 EUR/NOK)
September 2026
01.09.
105d
Postcode Lottery (Nationale Postcode Loterij) - Grant Application
· Nationale Postcode Loterij (Dutch Postcode Lottery)
· Lottery allocates minimum 40% of revenue to good causes. 150 organisations receive multi-year unrestricted support. One-time donations also available for eligible organisations. Lottery contribution may not exceed 25% of organisation's total income.
01.09.
105d
LIFE 2026 Calls for Proposals - Upcoming
· European Commission / CINEA — EU LIFE Programme
· Not specified; funding amounts will be published with the official calls on 21 April 2026.
15.09.
119d
Velux Foundations - Healthy Marine Environment in Danish Sea Areas
· VELUX FOUNDATION
· Current call: DKK 3.0-10.0 million per project (approximately EUR 402,000-1,340,000 at current exchange rates). Total call framework: DKK 29 million. Larger budgets must justify coverage of more themes and cross-border collaboration.
15.09.
119d
VELUX FONDEN — Call for Proposals: The North Sea Region as a Lighthouse for Sustainable Shipping
· VELUX FONDEN
· DKK 3 million minimum to DKK 10 million maximum per project (approx. EUR 400,000–1,340,000). Total call budget: DKK 29 million (approx. EUR 3.9 million).
17.09.
121d
REA - Horizon Europe Cluster 6 Funding and Grants Portal
· European Research Executive Agency (REA) / European Commission
· Variable by topic: EUR 101 million indicative budget for single-stage Circular Economy call (11 topics); EUR 28 million for two-stage Circular Cities call (2 topics). Typical Horizon Europe grants range from EUR 2-10 million per project.
22.09.
126d
LIFE Programme - Environment and Climate Action
· European Climate, Infrastructure and Environment Executive Agency (CINEA)
· Total LIFE 2021-2027 budget EUR 5.4 billion. Project-level amounts vary widely by project type: SAPs typically smaller scale; SNaPs and SIPs larger multi-year projects. Operating grants available for non-profit entities.
22.09.
126d
EU LIFE Programme - Environment and Climate Action
· European Commission - CINEA (European Climate, Infrastructure and Environment Executive Agency)
· Varies by call and project type; Standard Action Projects typically EUR 0.5M - 5M; Strategic Nature Projects (SNaPs) and Strategic Integrated Projects (SIPs) can reach tens of millions EUR; Operating grants for NGOs for multi-year institutional support
23.09.
127d
Horizon Europe - Mission: Restore our Ocean and Waters
· European Commission / Directorate-General for Research and Innovation (DG RTD) / Horizon Europe
· Horizon Europe Work Programme 2026/27 includes new 2026 calls for the Ocean Mission. Individual call budgets vary. Typical Horizon Europe project grants range from several hundred thousand to several million EUR.
23.09.
127d
Horizon Europe HORIZON-MISS-2026-03-OCEAN-02: Achieving Mission Objectives - Reducing Pollution from Nutrients, Chemicals and Plastics
· European Commission (Horizon Europe)
· EUR 7-7.75 million EU contribution per project; total budget EUR 31 million across the call; indicative 4 grants. Financial support to third parties (local/regional authorities) up to EUR 100,000 per recipient is allowed.
23.09.
127d
EU Mission Ocean — HORIZON-MISS-2026-03-OCEAN-02: Aquatic Pollution and Biodiversity Loss Through Nature-Positive Solutions
· European Commission (Horizon Europe / EU Mission: Restore our Ocean and Waters)
· EUR 7,000,000 to EUR 7,750,000 per project; up to 4 projects awarded from EUR 31,000,000 total budget
23.09.
127d
EU Mission Ocean — HORIZON-MISS-2026-03-OCEAN-01: Marine Habitat Mapping
· European Commission (Horizon Europe / EU Mission: Restore our Ocean and Waters)
· EUR 7,000,000 to EUR 7,750,000 per project; up to 4 projects awarded from EUR 31,000,000 total budget
23.09.
127d
Horizon Europe Mission Ocean 2026 — OCEAN-02: Nature-Positive Solutions for Aquatic Pollution
· European Commission — Horizon Europe
· EUR 7,000,000 to EUR 7,750,000 per grant; total budget EUR 31,000,000 for 4 indicative grants
23.09.
127d
Horizon Europe Mission Ocean — OCEAN-03: Fishers Co-Management of Marine and Freshwater Ecosystems (2026)
· European Commission – Horizon Europe
· EUR 7,000,000–7,750,000 per project; indicative total budget EUR 31,000,000 for 4 grants under this topic.
October 2026
12.10.
146d
Ferris Olson Family Foundation for Ocean Stewardship – 2026 Grant Application
· Ferris Olson Family Foundation for Ocean Stewardship
· Requests have ranged from less than $10,000 to $50,000. Total grant allocations per year determined by FOFFOS financials and the number and merit of applications received.
13.10.
147d
Munich Re Foundation RISK Award
· Munich Re Foundation
· Up to €100,000 (prize). Project total budget must be between €50,000 and €1,000,000.
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.
Rolling / Open Deadlines
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)
Rolling
Schwab Foundation for Social Entrepreneurship
· Schwab Foundation for Social Entrepreneurship
· 2026 awards already announced; 2027 cycle TBD
Rolling
Sustainable Blue Economy Partnership (SBEP)
· Sustainable Blue Economy Partnership (SBEP)
· 3rd Joint Transnational Call: launched September 2025; Rolling TA Call: open February 20, 2026 to February 29, 2028 (evaluated every 4 months)
periodic
Interreg Atlantic Area Programme 2021-2027
· Interreg Atlantic Area
· 3rd call for projects: recently concluded with approved projects; upcoming calls TBD
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.
Rolling
Spain — Biodiversity Foundation - Terra Viva Grants
· Fundación Biodiversidad (Biodiversity Foundation) — Spain
· Annual call for proposals; specific deadline published per round
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)
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
Rolling
Wipro Earthian Awards - Sustainability Education Program
· Wipro Foundation (Wipro Limited)
· Annual program; the 2025 cycle has closed. Next round timing not specified.
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
periodic
Pure Ocean Challenges — Call for Projects
· Pure Ocean
· Annual, September 1 – October 1 (Phase 1); Phase 2 by invitation (October 20 – November 23)
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)
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)
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)
periodic
Baltic Sea Action Plan Fund
· Nordic Environment Finance Corporation (NEFCO)
· Annual, typically February-April (2025 round deadline was 18 April 2025; 2026 round expected similar period)
periodic
UEFA Foundation for Children – Annual Call for Projects
· UEFA Foundation for Children
· Annual, typically June-July
periodic
Miljøstøtte til Arktis (DANCEA) — Danish Arctic Environmental Support
· Miljøstyrelsen (Danish Environmental Protection Agency)
· Annual, typically June-September (2025 round: 24 September 2025)
periodic
TotalEnergies Foundation — Marine & Coastal Environment Programme
· TotalEnergies Foundation
· Annual, typically Q4 (2024 edition launched; no 2025/2026 open round announced)
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)
periodic
periodic
NATO Science for Peace and Security Programme — Annual Calls for Proposals
· NATO Science for Peace and Security Programme
· Annual, typically spring/autumn calls; no active call as of April 2026
periodic
The MedFund - Fondation Prince Albert II de Monaco
· The MedFund
· Annual; Call 2025 Phase 1 deadline was 15 May 2025, Phase 2 deadline was 13 July 2025
periodic
Björn Carlson Baltic Sea Prize (BalticSea2020)
· Björn Carlsons Östersjöstiftelse (BalticSea2020)
· Annual; nomination period not specified on website
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)
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
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
Rolling
Indonesia Mangroves for Coastal Resilience Project (P178009)
· World Bank Group (IBRD)
· Ongoing; procurement opportunities advertised through the World Bank procurement portal and Indonesian Government systems
periodic
BINGO! Environmental Foundation Lower Saxony
· Niedersaechsische Bingo-Umweltstiftung (Lower Saxony BINGO! Environmental Foundation)
· Periodic
periodic
Interreg Aurora Programme 2021-2027 (formerly Northern Periphery and Arctic)
· Interreg Aurora
· Periodic calls for applications; check interregaurora.eu/projects/calls-for-applications/ for open calls
periodic
Interreg Baltic Sea Region 2021-2027
· Interreg Baltic Sea Region Programme
· Periodic calls; the programme runs 2021-2027. Call-specific deadlines announced by Managing Authority/Joint Secretariat. Check interreg-baltic.eu/gateway/ for current calls.
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
periodic
Aage V. Jensen Naturfond – Nature Conservation Grants
· Aage V. Jensen Naturfond
· Periodic — three application rounds per year
periodic
Aage V. Jensens Fond – General Grants (Nature, Greenland, Faroe Islands)
· Aage V. Jensens Fond
· Periodic — three board meetings per year to process applications
periodic
Deutsche Postcode Lotterie - Environmental Project Funding
· Deutsche Postcode Lotterie
· Periodic, multiple rounds per year
periodic
Aage V. Jensen Naturfond – Grant Programme (3x/year)
· Aage V. Jensen Naturfond
· Periodic, three times per year
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.
Rolling
European Science Foundation — Blue Action (Atlantic-Arctic Ocean Research)
· European Science Foundation
· Rolling / multiple calls; project period September 2025 - August 2029
Rolling
Marine Nature Conservation Fund (Meeresnaturschutzfonds)
· Deutsche Bundesstiftung Umwelt (DBU)
· Rolling basis
Rolling
Federal Programme for Biological Diversity (Bundesprogramm Biologische Vielfalt)
· Bundesministerium für Umwelt, Naturschutz, nukleare Sicherheit und Verbraucherschutz (BMUV/BMUKN)
· Rolling basis
Rolling
Wilderness Fund (Wildnisfonds)
· Bundesministerium für Umwelt, Naturschutz, nukleare Sicherheit und Verbraucherschutz (BMUV/BMUKN)
· Rolling basis
Rolling
Large-Scale Nature Conservation Projects (chance.natur)
· Bundesamt für Naturschutz (BfN) / Bundesministerium für Umwelt, Naturschutz und nukleare Sicherheit (BMUV)
· Rolling basis
Rolling
European Maritime, Fisheries and Aquaculture Fund (EMFAF)
· European Commission / Directorate-General for Maritime Affairs and Fisheries (DG MARE)
· Rolling basis
Rolling
Rolling
DBU General Project Funding (Projektfoerderung)
· Deutsche Bundesstiftung Umwelt (DBU)
· Rolling basis
Rolling
Rolling
Rolling
Esmee Fairbairn Foundation - Natural World / Marine Grants
· Esmee Fairbairn Foundation
· Rolling basis
Rolling
UKRI / Natural Environment Research Council (NERC) - Marine Programs
· UK Research and Innovation / Natural Environment Research Council (NERC)
· Rolling basis
Rolling
Rolling
Rolling
Greenpeace Environmental Foundation (Umweltstiftung Greenpeace) - Marine Conservation Grants
· Umweltstiftung Greenpeace
· Rolling basis
Rolling
DBU Marine Nature Conservation Fund - North and Baltic Sea Protection
· Deutsche Bundesstiftung Umwelt
· Rolling basis
Rolling
Rolling
Baltic Sea Conservation Foundation (BaltCF)
· Baltic Sea Conservation Foundation (BaltCF)
· Rolling basis
Rolling
Rolling
Rolling
Rolling
Global Fund for Coral Reefs - Fondation Prince Albert II de Monaco
· Global Fund for Coral Reefs (GFCR)
· Rolling basis
Rolling
Rolling
GCF Simplified Approval Process (SAP) — via Accredited Entity Partner
· Green Climate Fund
· Rolling basis
Rolling
Rolling
Aage V. Jensen Charity Foundation — Nature Conservation
· Aage V. Jensen Charity Foundation
· Rolling basis
Rolling
Rolling
Rolling
Rolling
Rolling
Rolling
Rolling
The Ocean Foundation Grantmaking
· The Ocean Foundation
· Rolling basis (Letters of Inquiry reviewed quarterly; full proposals by invitation only)
periodic
Grand Solutions – Innovation Fund Denmark
· Innovation Fund Denmark
· Rolling basis (calls published periodically under the Grand Solutions programme)
Rolling
Adessium Foundation - Nature and Living Environment Programme
· Adessium Foundation
· Rolling basis (invitation-only; no open calls)
Rolling
DOEN Foundation Funding Opportunities
· DOEN Foundation (Stichting DOEN)
· Rolling basis - applications accepted year-round via online portal
Rolling
European Maritime, Fisheries and Aquaculture Fund (EMFAF)
· European Commission - Directorate-General for Maritime Affairs and Fisheries
· Rolling basis - managed through national operational programmes; CINEA direct management calls announced periodically
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
Rolling
EEA and Norway Grants 2014-2021 / 2021-2028
· EEA Grants / Norway Grants
· Rolling — each beneficiary country has its own programme timeline and call schedule
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)
periodic
Interreg Baltic Sea Region Programme 2021-2027
· Interreg Baltic Sea Region
· Rolling, with periodic calls for project proposals
Rolling
Endangered Landscapes and Seascapes Programme (ELSP)
· Endangered Landscapes & Seascapes Programme (ELSP) / Arcadia Fund
· Rolling; open calls publicised when opened — no permanent deadline stated
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.
periodic
Green Program for Transition of Fisheries and Aquaculture (Denmark)
· Styrelsen for Fødevarer, Landbrug og Fiskeri (Danish Agency for Food, Agriculture and Fisheries)
· Unknown
periodic
periodic
Adaptation Fund Climate Innovation Accelerator (AFCIA)
· United Nations Development Programme (UNDP) / Adaptation Fund / European Union
· Unknown
periodic
RAIN Challenge – Resilient Agriculture Innovations for Nature (East Africa)
· Munich Re Foundation
· Unknown
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.
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.
periodic
King Baudouin Foundation - Climate, Environment and Biodiversity Program
· King Baudouin Foundation
· Varies by call; approximately 150-180 calls published annually