January 15 to 18: Global Forum for Food and Agriculture (GFFA)

For more information: G FFA

20-24 January: 64th meeting of the Standing Committee of the Convention on Wetlands (Ramsar Convention)

For more information: https://www.ramsar.org/fr/le-comite-permanent

January 22: 18th Alpine Conference

For more information: https://www.alpconv.org/fr/page-daccueil/

February 2: World Wetlands Day

Learn more: World Wetlands Day | United Nations

3 to 8 February: 78th meeting of the CITES Standing Committee (Convention on International Trade in Endangered Species of Wild Fauna and Flora)

For more information: https://cites.org/fra/sc/78/agenda-documents

25-27 February: COP16 CBD (Convention on Biological Diversity) resumed

For more information: COP16.2

February 27: International Polar Bear Day

Learn more: International Polar Bear Day | Polar Bears International

March 1: World Seagrass Day

Learn more: The General Assembly calls for action against food insecurity, creates a Seagrass Day and plans a fifth session of the “BBNJ” Conference | UN Press

March 3: World Wildlife Day

Learn more: World Wildlife Day | United Nations

March 18: World Recycling Day

For more information: Home - Global Recycling Day

17 to 26:10th annual meeting of the Scientific Committee of the Southern Indian Ocean Fisheries Agreement (APSOI)

For more information: https://siofa.org/meetings/SC10

March 21: International Day of Forests

For more information: JIF — International Day of Forests (journee-internationale-des-forets.fr)

March 22: World Water Day

Learn more: World Water Day | United Nations

13 to 17 April: 29th annual session of the Indian Ocean Tuna Commission (IOTC)

For more information: http://www.commissionoceanindien.org/

April 22: International Mother Earth Day

Learn more: International Mother Earth Day | United Nations

April 24 to 26: ChangeNow

For more information: ChangeNow - The largest event of solutions for the planet

April 28 to April 30: Our Ocean Conference

For more information: https://ourocean2025.kr/

28 April to 9 May: Meetings of the Conferences of the Parties to the Basel (COP-17), Rotterdam (COP-12) and Stockholm (COP-12) Conventions

To find out more: BRS conventions

28 April to 9 May: Meetings of the Conferences of the Parties to the Basel (COP-17), Rotterdam (COP-12) and Stockholm (COP-12) Conventions

To find out more: BRS conventions

May 2: World Tuna Day

Learn more: World Tuna Day | United Nations

May 12: International Plant Health Day

For more information: International Plant Health Day | 12 May (fao.org)

May 14: World Migratory Bird Day

For more information: World Migratory Bird Day 2023 to Focus on Water | World Migratory Bird Day

May 20: World Bee Day

Learn more: World Bee Day | United Nations

May 21: International Tea Day

Learn more: International Tea Day | United Nations

May 22: International Day for Biological Diversity

For more information: International Day for Biological Diversity | United Nations

June 3 to 6: One Ocean Science Congress (OOSC)

For more information: https://one-ocean-science-2025.org/

June 5:

• International Day to Combat Illegal, Unreported and Unregulated Fishing

Learn more: International Day to Combat Illegal, Unreported and Unregulated Fishing | United Nations

• World Environment Day

For more information: World Environment Day | United Nations

June 8: World Oceans Day

For more information: About - United Nations World Oceans Day (unworldoceansday.org)

June 9 to 13: Third United Nations Ocean Conference (UNOC-3)

For more information: https://unocnice2025.org/

June 17: World Day to Combat Desertification and Drought

Learn more: World Day to Combat Desertification and Drought | United Nations

23 to 27 June: Meeting of the Commission of the Convention for the Protection of the Marine Environment of the North-East Atlantic (OSPAR)

For more information: https://www.ospar.org/meetings

June 29: International Tropical Day

For more information: International Tropical Day | United Nations

July 6 to 9: Sea and Coastal Day (France)

For more information: Home - Fête de la Mer (fetedelamerlittoraux.fr)

23 to 31 July: 15th meeting of the Conference of the Parties to the Ramsar Convention on Wetlands

For more information: COP15

August 9: International Day of the World's Indigenous Peoples

For more information: International Day of the World's Indigenous Peoples | United Nations

September 7: International Day of Clean Air for Blue Skies

Learn more: International Day of Clean Air for Blue Skies | United Nations

September 16: International Day for the Protection of the Ozone Layer

Learn more: International Day for the Protection of the Ozone Layer | United Nations

September 22 to 27: 5th UNESCO World Congress of Biosphere Reserves

For more information: https://www.unesco.org/fr/mab

September 30: World Maritime Day

Learn more: World Maritime Day | United Nations

October 7: World Cotton Day

Learn more: World Cotton Day | United Nations

October 8: World Migratory Bird Day

Learn more: World Migratory Bird Day on 9 October celebrates birds and nature | CMS

October 9 to 15: IUCN World Conservation Congress (International Union for the Conservation of Nature)

For more information: https://iucn.org/fr/notre-union/congres-mondial-de-la-nature-de-luicn

November 6: International Day for the Prevention of the Exploitation of the Environment in War and Armed Conflict

Learn more: International Day for Preventing the Exploitation of the Environment in War and Armed Conflict | United Nations

November 10 to November 21: COP30 on climate in Belém

Learn more: UN Climate Change Conference - United Arab Emirates Nov/Dec 2023 | UNFCCC

November 24 to December 5: COP20 CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora)

For more information: https://cites.org/fra/cop/20

December 5: World Soil Day

Learn more: World Soil Day | United Nations

December 8 to 12: 7th session of the United Nations Environment Assembly (UNE7)

For more information: https://www.unep.org/environmentassembly/unea7

December 11: International Mountain Day

For more information: International Mountain Day | United Nations