The resumed session of UNEA-5 (UNEA-5.2) took place in Nairobi, Kenya, on 28 February – 2 March 2022, to consider the remaining substantive matters related to the agenda, as well as a Ministerial Declaration under the theme of the Assembly, “Strengthening Actions for Nature to Achieve the Sustainable Development Goals”.

Immediately after UNEA-5.2, the Assembly held a Special Session of the Assembly on 3 - 4 March 2022, which was devoted to the commemoration of the 50th anniversary of the creation of UN Environment Programme in 1972 (UNEP@50).

UNEA-5 side events focused on the overall theme of the fifth session of the Environment Assembly and the commemoration of the 50th anniversary of the establishment of the United Nations Environment Programme, which was the theme of the special session.