-
Slaves from Africa first imported to colonies
-
Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution.
-
Laborers protest royal taxation in the Boston tea Party
-
Philadelphia printers conduct first successful strike for increased wages
-
Slave importation prohibited
-
Henry David Thoreau publishes Walden
-
National Labor Union founded
-
The term ecology is coined in German as Oekologie by Ernst Heinrich Philipp August Haeckel
-
The term acid rain is coined by Robert Angus Smith in the book Air and Rain
-
Industrial Workers of the World founded
-
The term smog is coined by Henry Antoine Des Voeux in a London meeting to express concern over air pollution
-
US Congress created the National Park Service
-
Child labor banned
-
Rachel Carson publishes Silent Spring
-
March on Washington for jobs and Justice Equal Pay Act bans wage discrimination based on gender
-
Civil Rights Act bans institutional forms of racial discrimination
-
The Apollo 8 picture of Earthrise
-
First Earth Day – April 22. Millions of people gather in the United States for the first Earth Day. US Environmental Protection Agency established
-
Montreal Protocol on substances that deplete the ozone layer entered into force
-
United Mine Workers of America win strike against Pittston Coal United Steelworkers of America labor Alliance created within the AFL-CIO
-
The Kyoto Protocol was negotiated in Kyoto, Japan in December. Countries commit to reduce their emissions of carbon dioxide
-
U.S. rejects the Kyoto Protocol
-
U.S. announces it will cease participation in the Paris Agreement on climate change mitigation
-
U.S. announces it will rejoin the Paris Agreement on climate change mitigation