History Of Environmental Movement Timeline By InsertUsername Oct 24, 1946 First photo of Earth taken from space Sep 27, 1962 Rachel Carson's Silent Spring Sep 23, 1966 New York City smog deaths 1968 Paul Ehrlich butterfly studies Jan 28, 1969 Santa Barbara oil well blowout Jun 22, 1969 Cuyahoga River on fire Jan 1, 1970 National Environmental Policy Act Apr 22, 1970 First Earth Day Oct 2, 1970 Environmental Protection Agency Oct 3, 1970 National Oceanographic and Atmospheric Administration 1972 DDT is banned in US Oct 18, 1972 Clean Water Act Oct 21, 1972 Marine Mammal Protection Act 1973 Endangered Species Act Oct 11, 1976 Toxic Substances Control Act Aug 7, 1978 Love Canal Disaster and Superfund legislation Sep 16, 1987 Montreal Protocol