United Nations conferences on the environment

international conference in Rio de Janeiro, Brazil in June 1992

UN conference held at Stockholm in 1972

June 2012 UN conference in Rio de Janeiro, Brazil

international conferens in Johannesburg, South Africa in August–September 2002

meeting during 7–19 December 2022 in Montreal, Canada

COP 16 (Biodiversity)

2017 United Nations conference promoting ocean conservation

series of international summits