Montreal ProtocolIn 1974, chemists Frank Sherwood Rowland and Mario Molina published a paper in the journal Nature that changed how humanity viewed its own air.
Copenhagen AccordDelegates at the 15th session of the Conference of Parties to the United Nations Framework Convention on Climate Change agreed to take note of a document on…
Kigali AmendmentIn 1974, Paul J. Crutzen, Mario Molina, and F. Sherwood Rowland revealed the harmful effects of chlorofluorocarbons on the ozone layer.
Paris AgreementThe 2015 United Nations Climate Change Conference in Paris brought together 196 parties to draft a new international treaty.
Kyoto ProtocolThe year 1992 marked a turning point when the United Nations held its Earth Summit in Rio de Janeiro. Delegates from around the world gathered to sign the…