The document discusses several global environmental conventions aimed at protecting the environment and promoting sustainable development. It describes conventions related to wetlands (Ramsar, 1971), the environment (Stockholm, 1972), wildlife trade (CITES, 1973), ozone depletion (Vienna, 1985), hazardous waste (Basel, 1989), biodiversity (1992), climate change (UNFCCC, 1992), and persistent organic pollutants (Stockholm, 2001). The conventions establish frameworks for international cooperation, legally binding agreements, and protocols to address pressing environmental issues.