The process is similar for the Earth Summit, which includes a series of preparatory pre-conferences. List of Earth Summits 1972 - The United Nations Conference on the Human Environment (UNCHS) in Stockholm 1982 - The 1982 Earth Summit in Nairobi (Kenya). An Earth Summit was held in Nairobi, Kenya, from 10 to 18 May 1982. The disinterest of US President Ronald Reagan (who appointed his delegated daughter Of the United States) made this summit a failure. Now no longer admitted by the United Nations as an official Earth Summit 1992 - The United Nations Conference on Environment and Development (UNCED) or Earth Summit in Rio de Janeiro (Brazil) 2002 - The World Summit on Sustainable Development, Earth Summit 2002 or Rio+10, Johannesburg (South Africa) 2009 - 2009 United Nations Climate Change Conference or Copenhagen Summit, Copenhagen (Denmark) 2012 - The United Nations Conference on Sustainable Development (UNCSD) or Rio+20, Rio de Janeiro (Brazil) 2018 - The 7th Digital Earth Summit 2018, DES-2018, on Digital Earth for Sustainable Development in Africa was to be held in El Jadida (Morocco), at the Faculty of Science, Chouaib Douakkali University from April 17–19, 2018 2019 - The Santiago Climate Change Conference, featuring the 25th session of the Conference of the Parties (COP 25) to the United Nations Framework Convention for Climate Change (UNFCCC) and meetings of the UNFCCC subsidiary bodies, convened from 2nd to 13 December 2019. 2022 - Stockholm See also Earth for All initiative References Environmental conferences