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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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US Congress created the National Park Service
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First artificial earth satellite (Sputnik 1)
sputnik 1 was created by the U.S.S.R -
First space craft to hard land on the moon
the Luna 2 space craft was made by the U.S.S.R -
First human to orbit Earth
the first human to orbit earth was Yury Gagarin. he was in the space craft Vostok 1. -
Rachel Carson publishes Silent Spring
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First space walk
the first space walk was executed by Aleksey Leonov on Voskhod 2 -
The Apollo 8 picture of Earthrise
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First human to walk on the moon
the first human to walk on the moon was Neil Armstrong on the Apollo 11 mission -
First Earth Day – April 22. Millions of people gather in the United States for the first Earth Day. US Environmental Protection Agency established
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first soft landing on another planet (Venus)
the soft landing on venus was by the space craft Venera 7 -
first space craft to fly by Jupiter
pioneer 10 managed to cross the astroid belt and was able to fly past Jupiter. -
Montreal Protocol on substances that deplete the ozone layer entered into force
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first large optical space telescope launched
the first large optical telescope was the hubble space telescope. launched by the U.S, European space agency -
The Kyoto Protocol was negotiated in Kyoto, Japan in December. Countries commit to reduce their emissions of carbon dioxide
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U.S. rejects the Kyoto Protocol
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first spacecraft to orbit and land on an asteroid
this space craft was NEAR and landed on the astroid Eros -
U.S. announces it will cease participation in the Paris Agreement on climate change mitigation
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first landing on the Moon's far side
china was the first to go to the far side of the moon with the space craft Chang'e 4 -
U.S. announces it will rejoin the Paris Agreement on climate change mitigation