sentences:  IPCC supplementary report, 1992
  
  The IPCC supplementary report of 1992 was published to contribute to the debate on the United Nations Framework Convention on Climate Change at the 1992 Earth Summit, held in Rio de Janeiro.The report updated and revised some of the data contained in the IPCC First Assessment Report, and included six new climate change scenarios, including an update of the 1990 reference scenario.