"This is a list of notable events relating to the environment in 1971. They relate to environmental law, conservation, environmentalism and environmental issues."@en . . . . . "38350295"^^ . . . . . "1112624530"^^ . . . . . . "1971 in the environment"@en . . . . . . "1552"^^ . . . . . . . "This is a list of notable events relating to the environment in 1971. They relate to environmental law, conservation, environmentalism and environmental issues."@en .