81st session of the UN General Assembly

When: 08 - 22 September 2026

Where: New York

Under the topic "Localizing the SDGs", the tightly-first session of the UN General Assembly (UNGA 81) will open on Tuesday, 8 September 2026. The first day of the high-level General Debate will be Tuesday, 22 September 2026.

81st session of the UN General Assembly
08-22 September 2026
UN Biodiversity COP17

When: 19 - 30 October 2026

Where: Yerevan

The Conference of the Parties is the governing body of the Convention and advances implementation of the Convention through the decisions it takes at its periodic meetings. The COP17 slogan "Taking action for nature" conveys aspirations for an action-oriented conference where the Parties to the CBD will undertake the first global review of collective progress in the implementation of the Kunming-Montreal Global Biodiversity Framework. The global review is expected to guide accelerated implementation to embrace harmony with nature, transformative change and engagement from a wide range of actors: national governments, civil society, youth, businesses, local governing bodies and communities.

UN Biodiversity COP17
19-30 October 2026
2026 UN Climate Change Conference COP31

When: 09 - 20 November 2026

Where: Antalya

COP 31 will be held in Antalya, Türkiye, from 9 to 20 November 2026. In the lead-up, the COP 30 Presidency and the incoming COP 31 Presidency are working together to foster an open, transparent and inclusive process, through regular engagement with Parties and observers throughout the year.Their engagements will bring together ministers, Heads of Delegation and negotiators, as well as observers and stakeholders, to build shared understanding and lay the groundwork for successful outcomes in Antalya.The Presidencies will coordinate closely with the Chairs of the subsidiary bodies to ensure coherence across the UNFCCC process.The incoming COP 31 Presidency and Australia will work in close partnership, in line with the Türkiye-Australia Partnership Modalities. The Presidencies call on Parties to engage in a spirit of unity and shared purpose as they work together to deliver transformative and ambitious outcomes at COP 31 that enhance ambition and implementation of the global response to the threat of climate change.

2026 UN Climate Change Conference COP31
09-20 November 2026
UN Water Conference

When: 02 - 04 December 2026

The Conference, co-hosted by Senegal and the UAE, aims to accelerate the implementation of Sustainable Development Goal 6 (SDG 6), enhance global water governance and further elevate water-related issues on the international agenda. Participation will include governments, UN agencies, non-governmental organizations, academic institutions, Indigenous Peoples, the private sector and international financial institutions. More info.

UN Water Conference
02-04 December 2026