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Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution.
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Declaration of Independence
The colonies of America declare their independence from British rule. Photo for it: https://images.app.goo.gl/N8K4RxKxhJ5p9PoP8 -
Louisiana Purchase
Area of land that was 800,000 square miles that was bought by Thomas Jefferson by Napoleon. Lewis and Clark explored this area after it was bought. Photo https://images.app.goo.gl/u7Vf21hxMAViKceg7 -
Battle of New Orleans
Battle between America and Britain in New Orleans, led by Andrew Jackson. https://images.app.goo.gl/TiGJXXB3g3t6p42f7 -
Henry David Thoreau publishes Walden
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Battle of Gettysburg
The Battle of Gettysburg was a battle fought in Gettysburg, Pennsylvania. It was fought between the Confederate and Union Army. Photo for it: https://images.app.goo.gl/Bi2EGZDq9fKiBDwK6 -
The term acid rain is coined by Robert Angus Smith in the book Air and Rain
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The term ecology is coined in German as Oekologie by Ernst Heinrich Philipp August Haeckel
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Haymarket Riot
A worker strike in Chicago, a bomb was detonated at this strike. https://images.app.goo.gl/kardGCqnww6vytLk7 -
The term smog is coined by Henry Antoine Des Voeux in a London meeting to express concern over air pollution
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Sinking of Lusitania
The Lusitania was a British ocean liner that was sunk by a German U boat. This caused the US to get involved into WW1. https://images.app.goo.gl/hef5buQ1F1noh87N9 -
US Congress created the National Park Service
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Stock Market Crash
The American economy was in turmoil as the stock market crashed. https://images.app.goo.gl/u5FtDyCD7R5ukkXV6 -
Atomic Bombing of Hiroshima and Nagasaki
The United States dropped two atomic bombs in Hiroshima and Nagasaki, Japan. This later made Japan end their role in WWII. https://images.app.goo.gl/95Pd6XkPJEcnHEiG6 -
Rachel Carson publishes Silent Spring
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The Apollo 8 picture of Earthrise
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Assassination of Martin Luther King Jr
Martin Luther King Jr was a social activist who tried to bring equality to the United States for African Americans. He was assassinated for trying to do so. https://images.app.goo.gl/136TGSKXdATSSC6E -
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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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 commit to reduce their emissions of carbon dioxide
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U.S. rejects the Kyoto Protocol
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September 11th Attacks
On September 11th, 2001, Islamic terrorists hijacked three planes and crashed them into the World Trade Center, The Pentagon, and in the Pennsylvania countryside. https://images.app.goo.gl/686n1yGM8beizTg56 -
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