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Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution.
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Henry David Thoreau publishes Walden
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The term ecology is coined in German as Oekologie by Ernst Heinrich Philipp August Haeckel
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The term acid rain is coined by Robert Angus Smith in the book Air and Rain
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The term smog is coined by Henry Antoine Des Voeux in a London meeting to express concern over air pollution
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U Congress created the National Park Service
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The first satellite to be launched into space.
launched by the U.S.S.R in the late 50s it is the first satellite to be launched into space. source.
https://www.britannica.com/science/space-exploration/Major-milestones -
The first to have/take pictures of the far side of the moon.
in 1959 the U.S.S.R where the first to have taken pictures of the far side of the moon.
https://www.britannica.com/science/space-exploration/Major-milestones -
The first human to orbit the Earth.
Yury Gagarin was the first human to orbit Earth by the U.S.S.R in 1961.
https://www.britannica.com/science/space-exploration/Major-milestones -
Rachel Carson publishes Silent Spring
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First spacecraft pictures of Mars.
the U.S was the first to take pictures of Mars on the Mariner 4 in 1965. https://www.britannica.com/science/space-exploration/Major-milestones -
The Apollo 8 picture of Earthrise
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The first Humans to ever orbit the moon.
The U.S sent 4 humans to orbit the moon and take pictures of it in 1968 these men where Frank Borman, James Lovell, William Anders on the Apollo 8 launched by the U.S. https://www.britannica.com/science/space-exploration/Major-milestones -
The first human to ever step foot on the Moon.
Neil Armstrong was the first man to step foot on the Moon the ship that was used was Apollo 11 launched by the U.S. https://www.britannica.com/science/space-exploration/Major-milestones -
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
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The first space station that was launched.
deployed by the U.S.S.R named the Salyut 1 it was the first space station ever launched. https://www.britannica.com/science/space-exploration/Major-milestones -
the first spacecaft to orbit another planet witch was Mars.
The U.S launched this it was the first spacecraft to orbit Mars the ship that was used was called Mariner 9. https://www.britannica.com/science/space-exploration/Major-milestones -
first spacecraft to go by Jupiter.
launched by the U.S the Pioneer 10 was the spacecraft to fly by Jupiter. https://www.britannica.com/science/space-exploration/Major-milestones. -
the first spacecraft to fly by Saturn
deployed by the U.S the pioneer 11 was the first spacecraft to fly by Saturn. https://www.britannica.com/science/space-exploration/Major-milestones -
Montreal Protocol on substances that deplete the ozone layer entered into force
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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 gases
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U.S. rejects the Kyoto Protocol
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— U.S. announces it will cease participation in the Paris Agreement on climate change mitigation
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U.S. announces it will rejoin the Paris Agreement on climate change mitigation
