Events+of+significance

1952-The London smog disaster 1962-Rachel Carson writes //Silent Spring// 1969-The Cuyahoga River in Cleveland catches on fire 1970-The first Earth Day 1973-OPEC oil embargo 1978-The Love Canal 1979-TMI 1984-Union Carbide chemical plant explosion 1986-Chernobyl nuclear power plant explosion 1989-Exxon Valdez oil spill 2000-The Baia Mare cyanide spill in Romania