Original: IPCC Supplementary Report: 1992 The 1992 supplementary report was an update, requested in the context of the negotiations on the Framework Convention on Climate Change at the Earth Summit (United Nations Conference on Environment and Development) in Rio de Janeiro in 1992.
Simplified: IPCC Supplementary Report: 1992 The 1992 supplementary report was an update of the 1990 report, requested for the Framework Convention on Climate Change at the Earth Summit (United Nations Conference on Environment and Development) in Rio de Janeiro in 1992.