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
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Coral Reefs
Education
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Marine Protected Areas
Plastic Waste
Pollution
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Research
Seaweed & Algae
Waste Management
Mechanism
Accelerator
Blended Finance
Grant
Investment
Loan / Concessional Finance
Prize
Technical Assistance
8 fixed deadlines, 64 rolling/open
March 2026
25.03.
5d left
GEF Small Grants Programme - Libya (GEF OP8)
· Global Environment Facility (GEF) / UNDP
· Grants up to USD 75,000 per regular project; up to USD 150,000 for strategic projects. Typical grants range USD 25,000-50,000.
31.03.
11d left
UNDP Global Plastics Innovation Programme (GPIP)
· UNDP / Government of Japan
· Phase I: USD 361,350; Phase II: USD 750,000 (total project budgets, not individual sub-grants)
31.03.
11d left
UNDP Partnership for Preventing Riverine Plastic Pollution - Indonesia
· UNDP (United Nations Development Programme)
· Grants up to $300,000
April 2026
14.04.
25d left
ChemistryNL PPP-I 2026 Call for Sustainable Chemistry and Circularity
· ChemistryNL / TKI Groene Chemie en Circulariteit
· Up to €500,000 per project (max €150,000 for SMEs); total available budget €7,697,825 (~€1.9M per theme)
16.04.
27d left
Horizon Europe Cluster 6 - Food, Bioeconomy, Natural Resources, Agriculture and Environment
· European Commission — Directorate-General for Research and Innovation (via European Research Executive Agency, REA)
· EUR 14 billion total for Horizon Europe 2026-27. Circular economy and bioeconomy sub-call (HORIZON-CL6-2026-01-CIRCBIO): EUR 101 million indicative budget (single-stage, 11 topics). Two-stage circular call: EUR 28 million (2 topics on Circular Cities and Regions). Individual project grants vary by call topic — typically EUR 3-10 million per project for research consortia.
16.04.
27d left
Horizon Europe Cluster 1 Health 2026 — Environmental Health Topics (ENVHLTH)
· European Commission / HaDEA (Health and Digital Executive Agency)
· EUR 7-8 million per project; total call budget EUR 55M for ENVHLTH-01 and EUR 50M for ENVHLTH-04
16.04.
27d left
17.04.
28d left
OceanHub Africa Acceleration Program
· OceanHub Africa
· Interest-free loans of up to $30,000 USD via Blue Loop Fund (select Phase 2 participants only); additional in-kind support includes up to $75k AWS credits and up to $50k in legal/business advisory services.
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)
periodic
Marine Nature Conservation Fund (DBU/BMUV) - Meeresschutzfonds
· Bundesministerium für Umwelt, Klimaschutz, Naturschutz und nukleare Sicherheit (BMUKN) / Zukunft-Umwelt-Gesellschaft (ZUG) gGmbH
· 2025 call closed (deadline not specified on page). Future calls not yet announced.
periodic
Prince Albert II of Monaco Foundation — Call for Projects
· Prince Albert II of Monaco Foundation
· 2025 call closed — 2026 call timing unknown
periodic
Munich Re Foundation RISK Award
· Munich Re Foundation + UN Office for Disaster Risk Reduction (UNDRR)
· 2025 cycle complete; applications likely 2026 for 2027 award
periodic
Global Ghost Gear Initiative (GGGI) - Small Grants Program
· Ocean Conservancy / Global Ghost Gear Initiative (supported by Norwegian government)
· 2025 round recently closed; 2026 round not yet announced. Watch ghostgear.org/news
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)
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
Miljøstøtte til Arktis (DANCEA) — Danish Arctic Environmental Support
· Miljøstyrelsen (Danish Environmental Protection Agency)
· 2026 round expected to open June 2026, close mid-September 2026. 2025 round: June 25 – September 24, 2025.
Rolling
Interreg North Sea Region Programme 2021-2027
· Interreg North Sea Region Programme (EU / Interact)
· 2026-2027 calls to be announced
periodic
UNDP Ocean Innovation Challenge
· UNDP (United Nations Development Programme)
· All calls closed. 5th call date not announced.
Rolling
BSAP Fund (Baltic Sea Action Plan Fund) by Nefco
· Nefco / Nordic Investment Bank (NIB) — BSAP Fund
· Annual call — 2025 round closed (deadline: 18 April 2025). Next call expected early 2026 (not yet announced as of March 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
periodic
Pew-Gerstner Fellowships in Ocean Plastics Research
· Annual, by nomination — 3 fellows to be selected over 2 years from 2025; no open application portal
periodic
Alandsbanken Baltic Sea Project
· Ålandsbanken Baltic Sea Project
· Annual, typically January 1 - February 28
periodic
Nefco - the Nordic Green Bank | Accelerating the green ...
· Nefco — Nordic Green Bank (Baltic Sea Action Plan Fund)
· Annual, typically early in calendar year (2025 round awarded eight projects for 2026 start)
Rolling
[PDF] Financing projects benefiting the Baltic Sea
· NEFCO (Nordic Environment Finance Corporation)
· April 18, 2025 (most recent call)
periodic
Interreg North Sea Region - Calls for Projects Portal
· Interreg North Sea Programme (European Regional Development Fund)
· Call 6 opens December 2026; ongoing programme with periodic calls
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
periodic
MUDP - Environmental Technology Development and Demonstration Program
· Miljostyrelsen (Danish EPA) / Ministry of Environment
· Call published 6 February 2026. Specific submission deadline not confirmed in public sources — check mudp.dk
periodic
Danish EPA Cooperation with Indonesia on Circular Economy and Waste Management
· Danida (Danish Ministry of Foreign Affairs) via Danish EPA
· Current phase ends June 2026; new phase expected to begin H2 2026
Rolling
KIMO Denmark Coastal Lottery - Incentivized Beach Cleanup Program
· KIMO Denmark (Kommunernes Internationale Miljøorganisation)
· December (annual prize draw)
Rolling
Global Plastic Action Partnership (GPAP) - WEF
· World Economic Forum initiative — not a direct funder. Facilitates access to $3.1B+ secured through NPAP networks
· Engagement is ongoing — contact country NPAP offices
periodic
NOAA Marine Debris Program — Grants
· NOAA (National Oceanic and Atmospheric Administration), US federal government
· FY2026 not yet announced. Sign up for NOAA Marine Debris Program newsletter
periodic
FCDO Blue Planet Fund — OCEAN Grants Programme
· FCDO (UK Government) via Blue Planet Fund
· First call opened February 2024. Status of 2026 round unknown — direct verification needed
Rolling
SIDA Sweden Environmental and Climate Programs
· Sida – Swedish International Development Cooperation Agency
· Next large CSO grant call planned for 2027
Rolling
Interreg Baltic Sea Region Programme 2021-2027
· Interreg Baltic Sea Region Programme (European Union / IB.SH Schleswig-Holstein)
· No calls currently open. Results for third call (small projects) and second call (project platform) expected spring 2026.
Rolling
EU Baltic Sea Strategy | dma.dk
· European Union / Danish Maritime Authority (EUSBSR)
· No calls currently open. Results from third call for small projects expected spring 2026.
periodic
Velux Fonden (VELUX Foundation): Ocean and Marine Environment Grants
· Velux Fonden (VELUX Foundation), Denmark
· No current open call — not currently accepting new project ideas
periodic
Basel Convention Small Grant Programme on Plastic Waste
· No current open call; three rounds completed (2020, 2020, 2022). Future rounds may be announced.
Rolling
Interreg South Baltic Programme - Calls for Proposals
· Interreg South Baltic Programme (EU / Joint Secretariat)
· No open call as of March 2026; next call expected mid-2026 based on ~2 calls/year cadence
Rolling
Zennström Philanthropies
· Zennström Philanthropies
· No open call — invitation-only grantmaking; no published deadline
Rolling
UNDP Management of Plastics Waste and Circular Interventions in South and Southeast Asia
· UNDP Asia-Pacific / The Coca-Cola Foundation
· October 2027
periodic
UN Ocean Decade: Call for Decade Actions No. 09/2025
· UNESCO / Intergovernmental Oceanographic Commission (IOC) on behalf of the UN Ocean Decade
· Part I: 15 June 2025 (closed). Part II: 31 August 2025 (closed). Decade Contributions accepted rolling basis.
periodic
Basel Convention Plastic Waste Amendments
· Basel Convention / UNEP (administered via Basel/Stockholm Convention Regional Centres, funded by Norway/Sweden/EU)
· Periodic - linked to SGP annual rounds administered by the Basel Convention Secretariat
periodic
European Environment Initiative (EURENI) - ZUG Germany
· Federal Ministry for the Environment, Nature Conservation, Nuclear Safety and Consumer Protection (BMUKN), Germany - administered by ZUG gGmbH
· Periodic annual calls - check z-u-g.org/en/eureni for current open call
periodic
Green Transition of Fisheries - Denmark (Marine and Fisheries Programme 2021-2027)
· Styrelsen for Fødevarer, Landbrug og Fiskeri (Danish Agency for Food, Agriculture and Fisheries) / European Maritime, Fisheries and Aquaculture Fund (EMFAF)
· Periodic, annual rounds. Last marine litter round: May 1 – September 15, 2024 (now closed). Upcoming rounds announced on fiskeristyrelsen.dk.
periodic
Interreg Central Baltic Programme 2021-2027
· Interreg Central Baltic Programme (European Regional Development Fund)
· Periodic, typically annual calls; Fifth Call closed in 2025, next call anticipated in 2026
periodic
EMFAF Sweden - Swedish Agency for Marine and Water Management (HaV)
· Havs- och vattenmyndigheten (HaV) — Swedish Agency for Marine and Water Management
· Periodic, varies by scheme (current open call: 27 March 2026 for lost fishing gear funding)
periodic
Schmidt Marine Technology Partners
· Schmidt Marine Technology Partners (Schmidt Family Foundation)
· Portal closed for 2025. Reopening early 2026 — check schmidtmarine.secure-platform.com
periodic
Ocean Risk and Resilience Action Alliance (ORRAA)
· Government of Canada + ORRAA Secretariat (Ocean Risk & Resilience Action Alliance)
· Previous call closed; watch for new call 2026
periodic
Baltic Sea Neighbourhood Programme (BSNP) - Swedish Institute
· Swedish Institute (Svenska institutet)
· Programme currently closed; new consolidated programme launching 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
DBU General Project Funding - Environmental Protection
· Deutsche Bundesstiftung Umwelt (DBU)
· Rolling
Rolling
UN Decade of Ocean Science for Sustainable Development
· UNESCO/IOC — endorsement only, no direct funding
· Rolling (Decade Contributions)
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
Nordic Environment Finance Corporation (NEFCO)
· Nordic Environment Finance Corporation (NEFCO)
· Rolling applications for most programs. Nopef feasibility study has periodic deadlines (next: March 27). Baltic Sea Action Plan Fund has periodic call rounds.
Rolling
NEFCO Baltic Sea Action Plan Fund (BSAP Fund)
· NEFCO / Nordic Investment Bank (NIB) - Baltic Sea Action Plan Fund (BSAP Fund)
· Rolling basis
Rolling
Rolling
Schmidt Marine Technology Partners (Schmidt Family Foundation)
· Schmidt Marine Technology Partners (a program of the Schmidt Family Foundation)
· Rolling basis
Rolling
Grundfos Foundation — Community Engagement Grants
· Grundfos Foundation (Poul Due Jensens Fond)
· Rolling — 91 grants awarded in 2025 in 38 countries
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
Oceans | Nordic cooperation
· Nordic Council of Ministers
· Rolling — calls issued periodically on specific topics
Rolling
IUCN Marine and Polar Programme
· IUCN Marine and Polar Programme (Global Ocean Programme Component 1, EU-funded)
· Rolling — no fixed deadline
Rolling
Oak Foundation - Environment Programme
· Oak Foundation (Geneva-based, Danish leadership)
· Rolling — no fixed deadline. Submit letter of enquiry anytime.
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)
Rolling
Global Plastics Hub (formerly GPML) — UN Knowledge and Network Platform
· UN Environment Programme (UNEP)
· Rolling — register anytime
Rolling
EEA and Norway Grants 2014-2021 / 2021-2028
· EEA and Norway Grants / Financial Mechanism Office (FMO), funded by Iceland, Liechtenstein and Norway
· Rolling; calls opened country by country as programme agreements are signed. First calls opened in Hungary in early 2026. Specific deadlines vary by country programme.
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.
Rolling
LIFE Circular Economy and Quality of Life Sub-programme (2021-2027)
· European Climate, Infrastructure and Environment Executive Agency (CINEA) / European Commission
· Varies by annual call — check CINEA website and EU Funding & Tenders Portal for current open calls
periodic
Rolling
Rolling
UNIDO Plastic Circular Economy Initiatives
· United Nations Industrial Development Organization (UNIDO), with co-funding from GEF, Government of Japan, and other donors
· rolling
Rolling
Rolling
Plastic Solutions Fund (PSF)
· Plastic Solutions Fund (PSF) / Rockefeller Philanthropy Advisors
· unknown