Upcoming Deadlines

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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)
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The Earthshot Prize · The Earthshot Prize · Annual, typically awards ceremony in November
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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
periodic
BINGO! Environmental Foundation Lower Saxony · Niedersaechsische Bingo-Umweltstiftung (Lower Saxony BINGO! Environmental Foundation) · Periodic
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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
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Aage V. Jensens Fond – General Grants (Nature, Greenland, Faroe Islands) · Aage V. Jensens Fond · Periodic — three board meetings per year to process applications
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
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
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
Endangered Landscapes and Seascapes Programme (ELSP) · Endangered Landscapes & Seascapes Programme (ELSP) / Arcadia Fund · Rolling; open calls publicised when opened — no permanent deadline stated
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)