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
5 fixed deadlines, 25 rolling/open
March 2026
20.03.
Today!
Nessling Foundation - Small Funding for Civil Society Sustainability
· Maj and Tor Nessling Foundation
· Maximum EUR 10,000 per project. 6–8 projects funded per round.
28.03.
8d left
Earth Journalism Network — Biodiversity Media Grants 2026
· Internews / Earth Journalism Network (EJN)
· EUR 10,000–12,000 per grant; 3–4 grants expected
31.03.
11d left
Save Our Seas Foundation - Keystone Grants
· Save Our Seas Foundation (SOSF)
· USD 10,000–100,000 per year; average USD 25,000 per annum. Biennial cycle, up to 3 years total duration with annual continuation applications possible.
April 2026
12.04.
23d left
National Geographic Society Grants - Ocean Exploration & Discovery
· National Geographic Society
· Level I grants up to USD $20,000; Level II grants up to $100,000
16.04.
27d left
Danish Maritime Fund - Mobility and Transport - European Union
· Den Danske Maritime Fond (Danish Maritime Fund)
· Loans: up to 50% of project budget. Donations: partial funding for direct project costs (specific amounts not published). Internal hourly rates capped at 600 DKK/hour.
Rolling / Open Deadlines
Rolling
Wipro Earthian Awards - Sustainability Education Program
· Wipro Foundation (Wipro Limited)
· Annual program; the 2025 cycle has closed. Next round timing not specified.
periodic
Postcode Loterij joins the European AI & Society Fund with €1million ...
· Annual — charities apply yearly; selection cycle typically December-January
periodic
Kone Foundation - Grants for Research and Arts (Herlin Family)
· Kone Foundation (Koneensaatio)
· Annual, typically September
Rolling
NGO Support Programme (Verbaendefoerderung BMUV)
· Bundesministerium für Umwelt, Klimaschutz, Naturschutz und nukleare Sicherheit (BMUKN / formerly BMUV)
· Applications for 2027 projects expected to open May 2026. Deadline for 2026 projects was July 31, 2025 (closed).
Rolling
Wilhelmsen Foundation - Ocean Conservation
· Tom Wilhelmsen's Foundation (TWS)
· April 15 / October 15 (recurring twice yearly)
Rolling
Vancouver Aquarium Ocean.org - Ocean Action Grants
· Ocean Wise (ocean.org) / Canada Service Corps
· December 4, 2026 (final report deadline; applications accepted on rolling basis)
periodic
Save Our Seas Foundation - Funding Guidelines
· Save Our Seas Foundation (SOSF)
· Keystone Grants Stage I opens March-April 2026; Small Grants Stage I opens May 2026; applications are currently closed
Rolling
The Wallenberg Foundations - Stockholms universitet
· Knut and Alice Wallenberg Foundation (KAW)
· Multiple deadlines in 2026: April 26, October 5, October 15, November 16
Rolling
Civil Society Fund
· CISU (Civil Society in Development) / Danish Ministry of Foreign Affairs
· Multiple deadlines per year. 2026 deadlines: Small Project/Large Project: Jan 28, Aug 26; Small Programme: Mar 4, Sep 9; Medium/Large Programme: 2027. Check https://cisu.dk/en/funding/civil-society-fund/ for current deadlines.
Rolling
Performing Arts Fund | The Icelandic Centre for Research - Rannís
· The Icelandic Centre for Research (Rannís)
· October (annually)
periodic
Katholischer Fonds - Foerderrichtlinien
· Katholischer Fonds
· Periodic — monthly for small projects (up to EUR 1,500 / total costs up to EUR 8,000), three times per year for large projects
periodic
KfW Development Bank Marine Litter Reduction Initiative
· KfW Development Bank (on behalf of the German Federal Government), channelled through Caribbean Biodiversity Fund (CBF)
· Programme runs until 2028; individual sub-grant deadlines managed by Caribbean Biodiversity Fund
Rolling
DBU General Project Funding - Environmental Protection
· Deutsche Bundesstiftung Umwelt (DBU)
· Rolling
Rolling
Rolling
NordForsk - Funds and facilitates Nordic research co-operation
· NordForsk
· Rolling - approximately six calls per year with individual deadlines
Rolling
Rolling
The Ocean Foundation Grantmaking
· The Ocean Foundation
· Rolling basis — Letters of Inquiry reviewed quarterly; open RFPs posted when available
Rolling
BMUV Nature Conservation Association Funding (Verbändeförderung Naturschutz)
· Bundesministerium für Umwelt, Klimaschutz, Naturschutz und nukleare Sicherheit (BMUKN)
· Rolling basis; applications for 2027 projects expected from May 2026 onwards
Rolling
Fondation de la Mer: Page d'accueil
· Rolling — Fondation de la Mer accepts project partnership proposals on a rolling basis via online form
Rolling
Rolling
EEA Grants Active Citizens Fund - Green Transition & Marine
· EEA and Norway Grants - Fund Management Office (FMO)
· Rolling/periodic by country; applications managed by Independent Fund Operators in each country
Rolling
EU CERV Programme - Citizens Engagement for Environmental Policy
· European Commission - Directorate-General for Justice and Consumers
· Rolling/periodic; varies by call for proposals within each strand
periodic
Calls from NordForsk
· NordForsk
· Varies by call: April 2026 (education call), June 2026 (disruptive technologies). Multiple deadlines per year.
Rolling
Calls from NordForsk
· NordForsk (Nordic Council of Ministers)
· Varies per call - multiple calls open throughout the year with different deadlines
periodic