- 1972 - First Earth Summit; Stockholm, Sweden
- 1982 - Failed Earth Summit; Nairobi, Kenya
- 1988 - The International Panel on Climate Change (IPCC) created
- 1988 - Toronto Conference on the Changing Atmosphere
- 1990 - IPCC releases first report
- 1992 - Second Earth Summit; Rio de Janeiro, Brazil
- 1995 Conference of Parties; Berlin, Germany
- 1995 - Second Report release by IPCC.