1973 in the environment

	… 1963; 1964; 1965; 1966; 1967; 1968; 1969; ; 1970; 1971; 1972; 1973; 1974; 1975; 1976; ; 1977; 1978; 1979; 1980; 1981; 1982; 1983 …;
	Art; Archaeology; Architecture; Literature; Music; Philosophy; Science; +...
	v; t; e;

This is a list of notable events relating to the environment in 1973. They relate to environmental law, conservation, environmentalism and environmental issues.