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Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution.
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One of the most important documents in U.S. history. An official act taken by all 13 American colonies in declaring independence.
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When America's national government and fundamental laws and guaranteed certain basic rights for its citizens.
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Henry David Thoreau published Walden.
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It was a union victory that stopped General Robert E. Lee's second invasion of the North.
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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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It was a landmark decision of the U.S. Supreme Court that confirmed the constitutionality of racial segregation for public facilities.
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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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It was a four day collapse of stock prices that began on October 24th.
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When a series of evening radio addresses given by U.S. president Franklin D. Roosevelt. From the year of 1933-1944.
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A month later after the United States detonates the first atomic bomb at a test site in New Mexico. Less than a month later, atomic bombs were dropped on these two Japanese cities.
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A series of hearings held by the United States Senate's Subcommittee on Investigations. to investigate conflicting accusations between the United States Army and U.S. Senator Joseph McCarthy. From April-June in 1954
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Rachel Carson publishes Silent Spring.
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The Apollo 8 picture of Earthrise.
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Martin Luther King Jr. became the most visible spokesperson and leader in the Civil Rights Movement from1955, until he was assassinated.
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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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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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A series of four coordinated terrorist attacks by an Islamic terrorist group against the United States.