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
31 fixed deadlines, 103 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.
23.03.
3d left
Nordic Council of Ministers - Grants Portal
· Nordic Council of Ministers (NCM)
· Not specified on portal homepage; see grant guidelines for amounts.
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.
28.03.
8d left
Internews Earth Journalism Network - Marine Conservation Media Grants
· Internews / Earth Journalism Network (EJN)
· Story grants plus reporting expenses; amounts vary by project
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
05.04.
16d left
BongoHive EU-Funded Circular Economy Incubator - Zambia
· European Union / BongoHive Innovations
· €2,500 to €25,000 non-equity grants for top 10 acceleration-phase participants; milestone-driven disbursement
06.04.
17d left
EIT Climate-KIC eCircular - Circular Economy Innovation
· EIT Climate-KIC
· Up to €50,000 per city for the current ESO call (India/Kenya). Previous Circular Economy Prize offered awards for startups/SMEs (amounts not specified publicly for current rounds).
06.04.
17d left
GCF Accreditation — 2026 Windows
· Green Climate Fund (GCF)
· Accreditation itself carries no direct grant; once accredited, entities can access GCF project funding (Simplified Approval Process minimum USD 5 million; full-size projects up to USD 250 million)
06.04.
17d left
Climate KIC — Circular Economy ESO Programme Grant (India & Kenya)
· Climate-KIC (Knowledge and Innovation Community) — EU-funded
· EUR 50,000 per city (Bengaluru and Nairobi separately); total call envelope not specified
08.04.
19d left
13.04.
24d left
NordForsk Nordic Chemicals Program - Sustainable Chemicals and Materials
· NordForsk
· Part of NOK 1.15 billion total allocation; individual grant amounts not specified on the homepage.
15.04.
26d left
Nordic exploratory networks within the humanities and social sciences
· NordForsk (NOS-HS)
· Up to 1.5 MNOK per network (approximately €130,000); total budget of 33 MNOK available
15.04.
26d left
CirculaRise Accelerator (Yunus Environment Hub)
· Yunus Environment Hub
· Fully funded accelerator program (no equity taken, no cash grant specified)
16.04.
27d left
MSCA Staff Exchanges 2026
· European Commission / Marie Sklodowska-Curie Actions (MSCA)
· Total call budget EUR 97.9 million; individual project grants vary by number of secondments (EUR 8,000-9,000 per person-month); typical project EUR 300K-1.5M
16.04.
27d left
Horizon Europe CL6 CIRCBIO-01 — Circular Systemic Solutions Through Living Labs in Cities (2026)
· European Research Executive Agency (REA) — Horizon Europe Cluster 6 CIRCBIO
· EUR 5-10M per project indicative; total topic budget to be confirmed when call opens April 17 2026; two-stage call
19.04.
30d left
Nippon Foundation-GEBCO Training Programme (Ocean Bathymetry Fellowship)
· Nippon Foundation (Japan) / GEBCO (General Bathymetric Chart of the Oceans)
· Full tuition and fees paid; annual stipend of approximately US$39,400; computer hardware, software, textbooks; one return airfare; return airfare for work experience cruise and visiting institution
21.04.
32d
LIFE Operating Grants for Non-Profit Environmental NGOs (2026)
· CINEA (European Climate, Infrastructure and Environment Executive Agency) — LIFE Programme
· Operating grants for NGO core costs; specific amount in Framework Partnership Agreement; typically EUR 300K-2M annually; 60% co-funding
23.04.
34d
EU Innovation Fund - INNOVFUND-2025-NZT Net-Zero Technologies Call
· European Commission – Innovation Fund (managed by CINEA)
· Total call budget EUR 2.9 billion. Grants cover up to 60% of relevant costs. Pilot projects capped at EUR 40 million per project. Minimum capital expenditure: EUR 2.5M (SSP, Clean-Tech Manufacturing, Pilots), EUR 20M–100M (MSP), above EUR 100M (LSP). No explicit per-project maximum for non-pilot topics.
May 2026
06.05.
47d
Danish Green Development and Demonstration Programme (GUDP) Organic RDD 12 2026
· ICROFS (International Centre for Research in Organic Food Systems) / GUDP (Green Development and Demonstration Programme), Ministry of Food, Agriculture and Fisheries of Denmark
· DKK 250,000 to DKK 10 million per project (approx. EUR 33,500 to EUR 1.34 million). Total call budget: approx. DKK 50.5 million. 70% of funds for Type 1 projects (with business plan), up to 30% for Type 2 (public goods focus).
15.05.
56d
ReFED Catalytic Grant Fund
· ReFED Catalytic Grant Fund
· Minimum $100,000 per grant over approximately a two-year period; fund capacity reported up to $20M total. Individual grant amounts not explicitly stated on the page.
17.05.
58d
Projektsuche - Robert Bosch Stiftung
· Robert Bosch Stiftung (Robert Bosch Foundation)
· Not disclosed; varies by program and partnership scope
29.05.
70d
Funding Opportunities Now Open for Baltic and North Sea ...
· BlueActionBANOS / EU Mission Ocean and Waters (CINEA)
· Community-Led Actions: €200,000 to €2 million per action (max €500,000 per single entity). Transition Agendas: up to €100,000 per agenda (max €60,000 per single entity).
June 2026
01.06.
73d
Novo Nordisk Foundation - Project Grants for Societal Learning for the Green Transition
· Novo Nordisk Foundation
· DKK 200,000–6,000,000 (approx EUR 27,000–800,000) for projects up to 3 years. Total pool: up to DKK 35 million. Pre-projects up to DKK 500,000 for up to 6 months.
01.06.
73d
30.06.
102d
Preannouncement: THCS Call 2026 – Access to Care
· Innovation Fund Denmark (Innovationsfonden) / THCS Partnership
· €50,000 minimum per partner; €300,000 maximum per single Danish partner; €500,000 maximum for multiple Danish partners combined. Funding rates 25-90% depending on organisation type.
30.06.
102d
EBRD Resource Efficiency and Circularity Programme
· European Bank for Reconstruction and Development (EBRD)
· Grant amounts vary based on company size and resource efficiency results achieved. A partial repayment over two years is required; the residual constitutes the actual grant. Total EU-funded component estimated at EUR 10 million.
July 2026
31.07.
133d
UEFA Foundation for Children – Annual Call for Projects
· UEFA Foundation for Children
· Amount not publicly specified; grants awarded annually to 60-70 projects worldwide
August 2026
31.08.
164d
Interreg South Baltic Programme 2021-2027 - Circular Ocean-bound Plastic
· Interreg South Baltic Programme 2021-2027 (EU ERDF)
· EUR 2,021,978.40 ERDF co-financing (80% of total project budget EUR 2,527,473)
September 2026
01.09.
165d
Darwin Initiative
· Darwin Initiative (UK Government / Department for Environment, Food and Rural Affairs - Defra)
· Extra: GBP 800,000–5,000,000 (2–5 years); Main: GBP 100,000–800,000 (1–5 years); Innovation: GBP 10,000–200,000 (1–2 years); Capability & Capacity: GBP 50,000–200,000 (1–2 years)
09.09.
173d
DevelopmentAid - DANIDA Grants Search Portal
· DANIDA – Danish International Development Agency (Ministry of Foreign Affairs of Denmark)
· Highly variable across calls: from EUR 10,000 (small local competitions) to EUR 100,000,000 (multi-donor mitigation facilities). Danish CSO small grants budget not specified. Research calls: up to DKK 250,000,000.
Rolling / Open Deadlines
periodic
UNDP Vietnam TCCF Plastics Circularity Project
· UNDP / The Coca-Cola Foundation (TCCF)
· 2025 Vietnam round: 30 March 2025 (closed). Next round timing unknown — monitor from mid-2026
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
UNDP Vietnam — Plastic Innovation Programme (TCCF-funded)
· UNDP Vietnam / The Coca-Cola Foundation (TCCF) / Government of China (UNPDF)
· 2025 round: March 30, 2025 (closed). 2026 round expected Q1-Q2 2026 — monitor plasticchallenge.undp.org.vn
periodic
GPAP Inclusive Plastic Action Programme — Capacity Grants for NGOs
· Global Plastic Action Partnership (GPAP) / World Economic Forum
· 2025 round: May 30, 2025 (closed). 2026 round: not yet announced. Monitor globalplasticaction.org/inclusiveaction from Q1 2026.
Rolling
Schwab Foundation for Social Entrepreneurship
· Schwab Foundation for Social Entrepreneurship
· 2026 awards already announced; 2027 cycle TBD
periodic
TotalEnergies Foundation — Marine & Coastal Environment Programme
· TotalEnergies Foundation
· 2026 call open from 5 February 2026; check fondation.totalenergies.com for deadline
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.
periodic
Convergence — Indo-Pacific NGO Blended Finance Accelerator (DFAT)
· Convergence Blended Finance / DFAT Australia
· 2026-Q2-expected
Rolling
Spain — Biodiversity Foundation - Terra Viva Grants
· Fundación Biodiversidad (Biodiversity Foundation) — Spain
· Annual call for proposals; specific deadline published per round
periodic
ZUG gGmbH Grant Programme against Marine Litter
· Zukunft – Umwelt – Gesellschaft (ZUG) gGmbH / German Federal Ministry for the Environment (BMUV)
· Annual call; Call 2025 closed (deadline was 22 April 2025); next call expected 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
GGGI Small Grants Program — Ghost Gear Removal
· Global Ghost Gear Initiative (GGGI) / Ocean Conservancy
· Annual cycle; 2026 call not yet announced. 2025 grants already awarded. Monitor ghostgear.org for 2026 opening.
Rolling
Swiss Re Foundation
· Swiss Re Foundation
· Annual open calls for Entrepreneurs for Resilience, Shine, and Charity of the Year are announced at different times each year with specific deadlines.
periodic
Pernod Ricard India Foundation — Prakriti Circular Economy Incubation
· Pernod Ricard India Foundation
· Annual programme — next cohort expected late 2026
periodic
Commonland and partners receive €12 million from the National ...
· Annual — charities apply yearly; selection cycle typically December-January
periodic
Funders - DCNA - Dutch Caribbean Nature Alliance
· Annual — charities apply yearly; selection cycle typically December-January
periodic
Postcode Loterij joins the European AI & Society Fund with €1million ...
· Annual — charities apply yearly; selection cycle typically December-January
periodic
Allianz Foundation - Climate & Environment Grants
· Allianz Foundation
· Annual, typically February (2025 deadline was February 10, 2025)
periodic
The Polar Initiative - Fondation Prince Albert II de Monaco
· Annual, typically June — 2025 call closed 30 June 2025; 2026 call expected June 2026
periodic
Swiss Re Foundation - GrantStation
· Annual, typically Q4 — Swiss Re Foundation Entrepreneurs for Resilience; 2026 cohort semifinalists already selected
periodic
Swiss Re Foundation - Terra Viva Grants
· Annual, typically Q4 — Swiss Re Foundation Entrepreneurs for Resilience; 2026 cohort semifinalists already selected
periodic
Nordic Circular Design Programme
· Annual, typically September (2025 deadline was 15 Sep 2025)
periodic
Nessling Foundation - Science-Based Action Grants
· Maj and Tor Nessling Foundation
· Annual, typically late August (2026 call: 17–28 August 2026)
periodic
UNDP Equator Initiative - Equator Prize
· United Nations Development Programme (UNDP) - Equator Initiative
· Annual, typically with nominations open in early-mid year and award ceremony in December
periodic
Philanthropy Asia Alliance
· Annual; 2025 deadline was 2025-07-27; 2026 cohort expected announced at Philanthropy Asia Summit (May 2026)
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)
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
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
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
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
Rolling
Approved Grants Spring 2025 - NATA
· NATA (North Atlantic Tourism Association)
· February and September (two rounds per year)
Rolling
Interreg Baltic Sea Region Programme 2021-2027
· Interreg Baltic Sea Region Programme 2021-2027 (IB.SH / EU Cohesion Policy)
· Future calls expected 2026-2027; second call for project platforms closed November 2025
periodic
GEF Small Grants Programme: Country-Level Calls (Ghana, Tanzania, Kenya)
· GEF Small Grants Programme (GEF/UNDP)
· Ghana 2026: 13 March 2026 (CLOSED). Tanzania Round 1: 22 January 2026 (CLOSED). Kenya, Indonesia, Vietnam: contact national coordinators
Rolling
Global Seaweed Coalition: Homepage
· Global Seaweed Coalition (Lloyd's Register Foundation)
· January 20, 2024 (most recent call; new calls expected bi-annually)
Rolling
About us - Global Seaweed Coalition
· Global Seaweed Coalition (Safe Seaweed Coalition) / Lloyd's Register Foundation
· January 20, 2024 (most recent call; new rounds expected but not yet announced)
Rolling
News - Global Seaweed Coalition
· Global Seaweed Coalition (Safe Seaweed Coalition)
· January 20, 2024 (most recent call; no current open call announced)
Rolling
Governance - Global Seaweed Coalition
· Global Seaweed Coalition (Safe Seaweed Coalition)
· January 20, 2024 (most recent round)
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
SIDA Sweden Environmental and Climate Programs
· Sida – Swedish International Development Cooperation Agency
· Next large CSO grant call planned for 2027
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
Rolling
Green Climate Fund (GCF)
· Green Climate Fund (GCF)
· No open competitive call for NGOs; rolling project concept submissions via Accredited Entities or NDAs
Rolling
UNDP Management of Plastics Waste and Circular Interventions in South and Southeast Asia
· UNDP Asia-Pacific / The Coca-Cola Foundation
· October 2027
Rolling
Plastic Waste Management Manual - Swachh Bharat Mission Grameen
· Government of India – Department of Drinking Water and Sanitation (Swachh Bharat Mission Grameen Phase-II)
· Ongoing (SBM-G Phase-II runs until programme targets are met; no fixed application deadline published)
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
UNEP-IETC Japan Supplementary Budget Projects on Sustainable Plastic Waste Management
· Periodic — Japan Supplementary Budget allocation cycle (JSB 2022 and 2023 projects completed; future rounds subject to government budget)
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
Baltic Sea Neighbourhood Programme (BSNP) - Swedish Institute
· Swedish Institute (Svenska institutet)
· Programme currently closed; new consolidated programme launching March 2026
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
DBU General Project Funding - Environmental Protection
· Deutsche Bundesstiftung Umwelt (DBU)
· Rolling
Rolling
GCF Simplified Approval Process (SAP) — via Accredited Entity Partner
· Green Climate Fund (GCF)
· Rolling
Rolling
Social Entrepreneurship and Inclusion - Stichting DOEN
· Stichting DOEN / VriendenLoterij Fonds
· Rolling (applications accepted year-round, minimum 4 months before project start)
Rolling
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
Calls from NordForsk
· NordForsk (Nordic Council of Ministers)
· Rolling - approximately 6 calls per year with individual deadlines. Current active deadlines: April 15, 2026 (Humanities networks), April 22, 2026 (Education), June 8, 2026 (Disruptive Technologies).
Rolling
NordForsk - Funds and facilitates Nordic research co-operation
· NordForsk
· Rolling - approximately six calls per year with individual deadlines
Rolling
The Coca-Cola Foundation - Corporate Philanthropy for Recycling and Sustainability
· The Coca-Cola Foundation
· Rolling - invitation only, no open calls
Rolling
GIZ Circular Economy Expertise - Waste Solutions India
· Deutsche Gesellschaft fuer Internationale Zusammenarbeit (GIZ) GmbH
· Rolling - partnership enquiries possible at any time
Rolling
BlueInvest - Maritime Forum - European Union
· European Commission – Directorate-General for Maritime Affairs and Fisheries
· Rolling / ongoing community platform; BlueInvest Day 2026: March 2026
Rolling
Applications - Stichting DOEN
· Stichting DOEN (DOEN Foundation)
· Rolling applications, processed within approximately 4 months
Rolling
Global EbA Fund - Ecosystem-based Adaptation for Climate Resilience
· Global EbA Fund (Implemented by IUCN and UNEP; funded by German Federal Ministry BMUKN via IKI)
· Rolling basis
Rolling
Rolling
Rolling
Mangroves for the Future (MFF) Initiative
· Mangroves for the Future (MFF) / IUCN / UNDP
· Rolling basis
Rolling
Rolling
New England Aquarium - Marine Conservation Action Fund (MCAF)
· New England Aquarium - Marine Conservation Action Fund (MCAF)
· Rolling basis
Rolling
Tata Trusts Environmental Conservation and Waste Management
· Rolling basis
Rolling
Rolling
Laudes Foundation (formerly C&A Foundation) - Circular Fashion
· Rolling basis
Rolling
SPREP-AFD Pacific Ocean Initiative
· Agence Française de Développement (AFD) via SPREP and Pacific Community (SPC)
· Rolling basis (5-year programme, 2025-2030)
Rolling
CCRIF - Caribbean Catastrophe Risk Insurance Facility
· CCRIF SPC (Caribbean Catastrophe Risk Insurance Facility)
· Rolling basis (evaluated quarterly)
periodic
GEF Inclusive Conservation Initiative (ICI 1.0 & 2.0)
· Global Environment Facility (GEF)
· Rolling basis / GEF-8 cycle ends 2026; GEF-9 begins 2026-2030
Rolling
Waste Transformation Through CSR Projects in India - Earth5R
· Rolling basis — CSR project partnership model, no fixed call deadlines
Rolling
The Ocean Foundation Grantmaking
· The Ocean Foundation
· Rolling basis — Letters of Inquiry reviewed quarterly; open RFPs posted when available
Rolling
Criteria - Stichting DOEN
· Stichting DOEN
· Rolling basis — applications accepted year-round, must be submitted at least 4 months before project start
Rolling
Nordic Program for Circular Procurement (NPCP)
· Rolling basis, first deadline was 2026-02-20
Rolling
DOEN Foundation: Supporting Sustainable Projects in Netherlands
· DOEN Foundation (Stichting DOEN)
· Rolling basis, year-round applications accepted
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
Danone — Ecosystem Fund & Circular Packaging Partnerships
· Danone S.A.
· Rolling partnership enquiries
Rolling
Dow Inc. — Plastic Waste Initiatives (Stop the Waste / Pulling Our Weight)
· Dow Inc.
· Rolling partnership enquiries
Rolling
DBU Circular Economy Initiative (#DBUcirconomy)
· Deutsche Bundesstiftung Umwelt (DBU)
· Rolling submissions
Rolling
Rolling
EIFO Green Accelerator Programme - Danish SME Green Tech Export
· Export and Investment Fund of Denmark (EIFO)
· Rolling — 3 calls per year
Rolling
Home - Stichting DOEN
· Stichting DOEN (DOEN Foundation)
· Rolling — applications accepted year-round, no fixed deadlines
Rolling
Calls from NordForsk
· NordForsk (Nordic Council of Ministers)
· Rolling — approximately six calls per year with individual deadlines. Current open calls: Nordic-Baltic Education (22.04.2026), Humanities/Social Sciences Networks (15.04.2026), Disruptive Technologies (08.06.2026).
Rolling
GCF Project Preparation Facility (PPF)
· Green Climate Fund (GCF)
· Rolling — no fixed deadline; applications accepted on an ongoing basis
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
Rolling
IUCN IslandPlas Community Grants
· Unknown — no open call found; programme supports 7 African island nations through rolling community grants
Rolling
Circular Economy Accelerator (CEA) by Fetola
· Fetola (in partnership with Nedbank)
· Waiting list open (no fixed deadline for next cohort)
periodic
Africa Circular Economy Facility (ACEF) - African Development Bank
· African Development Bank (AfDB) — Africa Circular Economy Facility (ACEF), co-funded by Finland and Nordic Development Fund
· periodic
periodic
Second Muse - Social Innovation Accelerator
· SecondMuse (with clients including USAID, World Bank, Rockefeller Foundation, IKEA Foundation)
· periodic
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
SWITCH-Asia — Sustainable Consumption and Production in Asia-Pacific
· European Commission (DG INTPA) via SWITCH-Asia Programme
· rolling
Rolling
Rolling
COST Actions Open Call 2026
· European Cooperation in Science and Technology (COST Association) — EU Horizon Europe funded
· rolling
Rolling
Global Fund for Community Foundations – Rolling Grants for Community Philanthropy
· Global Fund for Community Foundations (GFCF)
· rolling
Rolling
Plastic Solutions Fund (PSF)
· Plastic Solutions Fund (PSF) / Rockefeller Philanthropy Advisors
· unknown
Rolling