1769 — Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution.
US was made
Period: to
US history
George Washington made first president
Louisiana purchase
War of 1812
1846 mexican war
1854 — Henry David Thoreau publishes Walden
1861 civil war
1865 Abe Lincoln shot
1866 — The term ecology is coined in German as Oekologie by Ernst Heinrich Philipp August Haeckel
1868 14th amendment
1872 — The term acid rain is coined by Robert Angus Smith in the book Air and Rain
1905 — The term smog is coined by Henry Antoine Des Voeux in a London meeting to express concern over air pollution
1916 — US Congress created the National Park Service
1917 WW1
1941-1945 US in WW2
1962 — Rachel Carson publishes Silent Spring
1968 — The Apollo 8 picture of Earthrise
1970 — Earth Day – April 22., millions of people gather in the United States for the first Earth Day organized by Gaylord Nelson, former senator of Wisconsin, and Denis Hayes, Harvard graduate student. US Environmental Protection Agency established
1989 — Montreal Protocol on substances that deplete the ozone layer entered into force
1997 — The Kyoto Protocol was negotiated in Kyoto, Japan in December. Countries that ratify this protocol commit to reduce their emissions of carbon dioxide and five other greenhouse gasses
9/11
2001 — U.S. rejects the Kyoto Protocol
2017 — U.S. announces it will cease participation in the Paris Agreement on climate change mitigation
2021 — U.S. announces it will rejoin the Paris Agreement on climate change mitigation