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
3 fixed deadlines, 13 rolling/open
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
September 2026
30.09.
194d
GIZ Circular Economy Solutions Preventing Marine Litter in Ecosystems
· GIZ (Deutsche Gesellschaft für Internationale Zusammenarbeit) / German Federal Ministry for the Environment
· €7.8 million total financial commitment; co-financed by the European Union (€2.5 million)
Rolling / Open Deadlines
periodic
The Earthshot Prize
· The Prince of Wales Charitable Fund (Earthshot Prize)
· 2026 nominations largely closed (most nominators had Oct-Dec 2025 deadlines). 2027 cycle expected to open mid-2026.
periodic
periodic
Oceanic Society - Expedition Impact Program Conservation Grants
· Oceanic Society
· Annual, Spring deadline: February 1 (awards announced March 15); Fall deadline: August 1 (awards announced September 15). Rolling consideration for time-sensitive opportunities from active expedition partners.
periodic
Norway Development Assistance Program Against Marine Litter - SDG Partnership
· Government of Norway (Norad — Norwegian Agency for Development Cooperation)
· Call for proposals Stage 1 (concept notes) deadline: September 2025 (first phase of new programme); monitor norad.no for 2026 calls
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)
Rolling
SIDA Sweden Environmental and Climate Programs
· Sida – Swedish International Development Cooperation Agency
· Next large CSO grant call planned for 2027
periodic
GIZ - SWITCH to Circular Economy in Eastern and Southern Africa (SWITCH-2-CE)
· European Union and German Federal Ministry for Economic Cooperation and Development (BMZ); implemented by GIZ and Expertise France
· Programme runs April 2025 to July 2029; individual call deadlines vary (Call for Projects deadline was 16 March 2026)
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
SWITCH to Circular Economy in Eastern and Southern Africa
· Expertise France (implemented on behalf of European Union & German State / GIZ)
· Rolling (program active April 2025 – July 2029; Matching Grant Facility calls expected throughout program lifecycle)
Rolling
GIZ Circular Economy Expertise - Waste Solutions India
· Deutsche Gesellschaft fuer Internationale Zusammenarbeit (GIZ) GmbH
· Rolling - partnership enquiries possible at any time
Rolling
Rolling
Schmidt Marine Technology Partners Grantmaking
· Schmidt Marine Technology Partners (a programme of the Schmidt Family Foundation)
· Rolling basis — proposals can be submitted via the online portal at any time.
periodic
Pew-Gerstner Fellowships for Ocean Plastic Pollution Research
· The Pew Charitable Trusts and Gerstner Philanthropies
· Rolling; three Pew-Gerstner Fellows to be selected over two years (2025-2026). First fellow announced 2026.