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Regulate waste disposal attempt
Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution. -
Walden is published
Henry David Thoreau publishes Walden -
Term ecology is coined
The term ecology is coined in German as Oekologie by Ernst Heinrich Philipp August Haeckel -
the term acid rain was created
The term acid rain is coined by Robert Angus Smith in the book Air and Rain -
The term smog is coined
The term smog is coined by Henry Antoine Des Voeux in a London meeting to express concern over air pollution -
national park service is created
US Congress created the National Park Service -
WAC Corporal
The first rocket to reach the edge of space -
Sputnik 1
First artificial satellite -
Sputnik 2
First dogs were sent to space -
Vostok 1
First manned flight -
Silent Spring is published
Rachel Carson publishes Silent Spring -
Vostok 6
First woman in space -
Luna 10
First artificial satellite around the moon -
Picture of earthrise
The Apollo 8 picture of Earthrise -
Apollo 11
First human on the moon -
First earth day
First Earth Day – April 22. Millions of people gather in the United States for the first Earth Day. US Environmental Protection Agency established -
Salyut 1
first space station -
mariner 10
first photograph of venus from space -
Voyager 1
first photograph of the entire solar system -
Montreal protocol
Montreal Protocol on substances that deplete the ozone layer entered into force -
Kyoto Protocol negotiation
The Kyoto Protocol was negotiated in Kyoto, Japan in December. Countries commit to reduce their emissions of carbon dioxide. -
Kyoto Protocol negotiation
The Kyoto Protocol was negotiated in Kyoto, Japan in December. Countries commit to reduce their emissions of carbon dioxide -
Kyoto Protocol Rejection
U.S. rejects the Kyoto Protocol -
Kyoto Protocol rejection
U.S. rejects the Kyoto Protocol -
Paris agreement participation termination
U.S. announces it will cease participation in the Paris Agreement on climate change mitigation -
rejoining the paris agreement
U.S. announces it will rejoin the Paris Agreement on climate change mitigation