Earth Day '80 April 22
By the 1960s and ’70s public awareness about the environment was growing, as were threats like pollution, species extinction, and population growth. Americans founded organizations dedicated to a wide variety of environmental causes.
— https://americanhistory.si.edu/collections/object/nmah_333289
By the 1960s and ’70s public awareness about the environment was growing, as were threats like pollution, species extinction, and population growth. Americans founded organizations dedicated to a wide variety of environmental causes.