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Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution.
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The Seneca Falls Convention marked the start of the women's suffrage movement, where leaders advocated for expanded rights for women across the nation.
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Sojourner Truth gives a speech advocating for rights for black women.
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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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Written by Susan B. Anthony, she argued for equal rights for women.
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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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Women from all around the nation marched on Washington to protest for women's right to vote.
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The group formed in hopes of securing an amendment declaring woman's right to vote.
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Jeannette Rankin is elected as the first woman to serve in Congress.
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US Congress created the National Park Service
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This amendment was ratified, securing women the right to vote.
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Rachel Carson publishes Silent Spring
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Shirley Chisholm was the first black woman elected into Congress.
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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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Hillary Clinton was named as the Democratic Presidential nominee.
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U.S. announces it will cease participation in the Paris Agreement on climate change mitigation.
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Kamala Harris was the first black and south-asian woman to be elected as vice president.
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U.S. announces it will rejoin the Paris Agreement on climate change mitigation.