Diary of Events 2026 and 2027 - a guide to the UN meetings coming up.

17 – 28 August | 17th session of the Conference of the Parties to the UN Convention to Combat Desertification | UNCCD COP 17 | Ulaanbaatar, Mongolia

8 – 22 September | 81st Session of the UN General Assembly, Opening and General Debate | UNGA 81 | New York, United States

18th September  | The Sustainable Development Goals Moment 

22-26th September  | High-Level Week (and the 28th)

23rd September  | High-level meeting to commemorate the fortieth anniversary of the Declaration on the Right to Development

23rd September  | The Secretary-General will convene a high-level meeting on climate action and the just transition, focused on accelerating a just and orderly energy transition to renewables; mobilizing and scaling up affordable finance and investments for developing countries; and delivering adaptation and resilience support in an era of climate overshoot

24th September  |   High-level meeting to address the existential threats posed by sea level rise

25th September  | High-level meeting on pandemic prevention, preparedness and response

28th September  | High-level meeting to commemorate the twenty-fifth anniversary of the adoption of the Durban Declaration and Programme of Action - against racism, racial discrimination, xenophobia, and related intolerance

29th September  | High-level plenary meeting to commemorate and promote the International Day for the Total Elimination of Nuclear Weapons

20-27 September | New York Climate Week, New York, USA

14 – 18 September | 22nd Meeting of the Chemical Review Committee (Rotterdam Convention) | CRC-22 | Rome, Italy

21 – 25 September | 22nd Meeting of the Persistent Organic Pollutants Review Committee (Stockholm Convention) | POPRC-22 | Rome, Italy

28 September – 3 October | 70th Meeting of the International Whaling Commission | IWC70 | Hobart, Australia

5- 8 October | UNFCCC Pre-COP Fiji Pacific Islands

11-13 October  | World Health Summit, Berlin 

12-18 October  | World Bank Group/IMF, Bangkok

19 – 30 October | 17th meeting of the Conference of the Parties to the Convention on Biological Diversity (CBD COP17) | Yerevan, Armenia

1-4 November  | Commonwealth Heads of Government Meeting (CHOGM), St. John’s, Antigua and Barbuda

9 – 20 November | UN Climate Change Conference COP31 | Antalya, Türkiye

9-12 November  | UN World Data Forum, Riyadh, Saudi Arabia

1 December | UK formally assumes G20 Presidency, London, UK

2 – 4  December | 2026 UN Water Conference | United Arab Emirates

14-15  December |  G20 Heads of State, Miami 

2027

1 January |   United States will host the 53rd G7 Summit 

1 January  | Ethiopia formally assumes COP32 Presidency

11-22 January | Biodiversity Beyond National Jurisdiction, New York USA

18-22 January | Davos World Economic Forum, Switzerland

23-26 February | 58th meeting of the UN Statistical Commission, New York, USA

3-4 March  | ECOSOC Development Forum, New York, USA

13 March | Plastics Pollution INC 5.4, TBC

8-19 March | 71st session of the UN Commission on the Status of Women, New York, USA

Priority theme: Accelerating the achievement of gender equality and the empowerment of all women and girls in the context of the 2030 Agenda for Sustainable Development

15-19 March | 68th meeting of the Standing Committee to the Convention on Wetlands, Gland, Switzerland

21-25 March | 11th World Water Forum, Riyadh, Saudi Arabia 

12-18 April | IMF–World Bank Spring Meetings, Washington, D.C, USA

19-23 April  | ECOSOC Financing for Development Forum, New York, USA

19-30 April | Basel Convention COP18, Rotterdam Convention COP13, and Stockholm Convention COP13, Panama City, Panama.

5-6 May | 12th Multi-stakeholder Forum on Science, Technology and Innovation for the Sustainable Development Goals, New York, USA

23-30 May  | 80th World Health Assembly, Geneva, Switzerland

24-28 May | UN Forum on Forests (UNFF22), New York, USA

7–17 June  | Bonn Climate Change Conference, Bonn, Germany

19-27 June  | London Climate Week,  London, UK

TBC July  | UN High-Level Political Forum on Sustainable Development, New York, USA. 

The theme of the 2027 ECOSOC and HLPF will be: “Scaling up just transitions to achieving sustainable development, poverty eradication and the full implementation of the 2030 Agenda and its SDGs”.The SDGs to be reviewed in depth are Goals 4 (Quality Education), 10 (Reduced Inequalities), 12 (Responsible Consumption and Production), 15 (Life on Land) and 17 (Partnerships for the Goals).

TBC August | Food System Summit +6, TBC

6-10 September | Minamata Convention (COP7), Geneva, Switzerland

7-21 September  | UNGA 82, New York, USA

TBD September  | Heads of State High-Level Session of the UN High-Level Political Forum on Sustainable Development, New York, USA

26-29 October  | 11th Session of the Meeting of the Parties to the Water Convention, Dakar, Senegal

TBD Oct  | WHO World Health Summit, Berlin, Germany

 8–19 November | UNFCCC COP32, Antalya, Addis Ababa, Ethiopia

22- 26 November | 69th meeting of the Standing Committee to the Convention on Wetlands, Gland, Switzerland

29 November to December 3  | Preceding Meeting for UNEA 8: Open-ended Committee of Permanent Representatives (OECPR-8), Nairobi, Kenya

6-10 December | UN Environment Assembly 8, Nairobi, Kenya