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.
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…