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
25 fixed deadlines, 66 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.
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
04.06.
16d left
Preserving Traditional Arts (NGS + Lindblad)
· National Geographic Society
· Level I: up to $20,000 (earlier-career). Level II: up to $75,000 (established practitioners or prior NGS grantees). Funds usable over up to 2 years.
24.06.
36d
National Geographic Society Grants - Ocean Exploration & Discovery
· National Geographic Society
· Level I grants up to USD 20,000 for early career scientists; Level 2 grants for established researchers (amounts vary); project-specific RFPs with own budgets
24.06.
36d
NatGeo: Developing Future Ocean Stewards
· National Geographic Society
· Level I: up to USD 20,000 over 1 year; Level II: up to USD 100,000 over 2 years (average USD 50,000-65,000)
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.
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.
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
07.08.
80d
Ocean Exchange Awards
· Ocean Exchange
· Three USD 100,000 Neptune Awards (non-dilutive) per cycle; two USD 10,000 Collegiate Awards; one Ocean Enterprise Award (amount not specified); evaluated annually
28.08.
101d
Nessling Foundation - Science-Based Action Grants
· Maj and Tor Nessling Foundation
· Grant amounts not specified; personal grants plus expense allowances; organisational grants cover salary and project costs
September 2026
01.09.
105d
Ocean Exchange Collegiate Awards
· Ocean Exchange
· USD 10,000 per Collegiate Award winner; two awards given annually; Guy Harvey Collegiate Award also available (amount unspecified)
01.09.
105d
Carlsberg Foundation – Research Grants for Danish Researchers
· Carlsberg Foundation
· Varies greatly by grant type: Conferences max 80,000 DKK; Field expeditions max 100,000 DKK (rolling) or over 100,000 DKK (annual); Research infrastructure min 300,000 DKK; Semper Ardens Accelerate max 7 million DKK; Semper Ardens Accomplish 10–13 million DKK; Semper Ardens Advance 15–25 million DKK; CF Interdisciplinary Research Centres max 50 million DKK; Carlsberg Mindelegat max 200,000 DKK; Research dissemination max 3 million DKK.
01.09.
105d
Carlsberg Foundation — Semper Ardens Advance 2026
· Carlsberg Foundation
· DKK 15-25 million per grant (5-year framework grant)
01.09.
105d
Carlsberg Foundation — Semper Ardens Accelerate 2026
· Carlsberg Foundation
· Maximum DKK 7 million (3-5 year framework grant)
03.09.
107d
Novo Nordisk Foundation - Project Grants for Societal Learning for the Green Transition
· Novo Nordisk Foundation
· DKK 200,000 to DKK 6,000,000 per grant (total pool up to DKK 35 million); pre-projects up to DKK 500,000 for up to 6 months
03.09.
107d
Novo Nordisk Foundation - Project grants supporting societal learning for the green transition
· Novo Nordisk Foundation
· Up to DKK 6 million for projects of up to 3 years duration (approx. EUR 800,000 at current rates)
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 Foundation - Environment and Sustainability in Danish Sea Areas
· VELUX FONDEN
· DKK 3 million to DKK 10 million per project (approx. EUR 400,000 to EUR 1,340,000). Total call budget DKK 29 million.
15.09.
119d
VELUX FONDEN - Conservation of the Ocean: Combating Marine Pollution
· VELUX FONDEN
· DKK 3,000,000 to DKK 10,000,000 per project (approx. EUR 400,000 to EUR 1,340,000); total framework DKK 29 million
15.09.
119d
VELUX Foundation Current Calls for Proposals
· VELUX FONDEN
· DKK 3 million to DKK 10 million per project (approx. EUR 400,000–1,350,000). Total framework: DKK 29 million (approx. EUR 3.9 million).
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).
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.
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.
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)
Rolling
Schwab Foundation for Social Entrepreneurship
· Schwab Foundation for Social Entrepreneurship
· 2026 awards already announced; 2027 cycle TBD
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
UEFA Foundation for Children – Annual Call for Projects
· UEFA Foundation for Children
· Annual, typically June-July
periodic
PADI AWARE Foundation Community Grant Program
· PADI AWARE Foundation
· Annual, typically October (most recent: 3 October 2025)
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
Oceanic Society: Global Ocean Cleanup — Annual Partner Grant Programme
· Oceanic Society
· Annual, typically spring (2026 cycle closed; 2026 event: June 13-14, 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
Schwab Foundation for Social Entrepreneurship - Social Innovation Awards
· Schwab Foundation for Social Entrepreneurship
· Annual; typically applications/nominations open mid-year for award announcement the following year
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
periodic
BINGO! Environmental Foundation Lower Saxony
· Niedersaechsische Bingo-Umweltstiftung (Lower Saxony BINGO! Environmental Foundation)
· Periodic
periodic
Global Ghost Gear Initiative (GGGI) - Small Grants Program
· Global Ghost Gear Initiative (GGGI)
· Periodic annual round; 2024 and 2025 recipients were selected; next round timing not specified on website
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
Marine Nature Conservation Fund (Meeresnaturschutzfonds)
· Deutsche Bundesstiftung Umwelt (DBU)
· Rolling basis
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
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
Rolling
Rolling
Rolling
Rolling
Global Fund for Coral Reefs - Fondation Prince Albert II de Monaco
· Global Fund for Coral Reefs (GFCR)
· Rolling basis
Rolling
Realdania - Apply for Funding: Philanthropy for Built Environment and Circular Economy
· Realdania
· Rolling basis
Rolling
Rolling
Rolling
Rolling
Rolling
Aage V. Jensen Charity Foundation — Nature Conservation
· Aage V. Jensen Charity Foundation
· Rolling basis
Rolling
Rolling
Rolling
Rolling
Rolling
Rolling
Rolling
Waitt Foundation Rapid Ocean Conservation (ROC) Grants – Small Grants for Island Nation Ocean Conservation
· Waitt Foundation
· Rolling basis
Rolling
Circular Valley Circular Economy Accelerator – Batch 10
· Circular Valley Foundation
· Rolling basis
Rolling
The Ocean Foundation Grantmaking
· The Ocean Foundation
· Rolling basis (Letters of Inquiry reviewed quarterly; full proposals by invitation only)
Rolling
MSC Ocean Stewardship Fund
· Marine Stewardship Council
· Rolling basis (Recertification Assistance Fund open on rolling basis; annual grants cycle currently closed)
Rolling
Adessium Foundation - Nature and Living Environment Programme
· Adessium Foundation
· Rolling basis (invitation-only; no open calls)
Rolling
11th Hour Racing Grant Program
· 11th Hour Racing
· Rolling basis - applications accepted year-round in 2026
Rolling
DOEN Foundation Funding Opportunities
· DOEN Foundation (Stichting DOEN)
· Rolling basis - applications accepted year-round via online portal
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
Ashoka Fellowship - Support for Social Entrepreneurs
· Ashoka
· Rolling basis; nominations accepted year-round through Ashoka country offices
Rolling
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
RAIN Challenge – Resilient Agriculture Innovations for Nature (East Africa)
· Munich Re Foundation
· Unknown
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
Rolling
Circular Economy Accelerator (CEA) by Fetola
· Fetola (in partnership with Nedbank)
· Waiting list open (no fixed deadline for next cohort)