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second disaster of the decade which in Pennsylvania where the nuclear power plant suffered a partial meltdown.

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set stricter standards for emissions from automobiles, factories, and powerplants.

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Earth Day 1970 – 2017: What’s Changed? #datavisualization

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aimed to raise awareness  of the connection between rapid population growth and environmental destruction.

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Population Connection (formerly Zero Population Growth or ZPG) is a non-profit organization in the United States that raises awareness of population challenges and advocates for improved global access to family planning and reproductive health care. The organization was founded in 1968 by Paul R.

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had about 100,000 members and by the end of the decade, members had swelled to nearly 200,000.

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Sierra Club Bike Tour of Death Valley in the 70s

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Limited the amount of sewage and other pollutants flowing into water ways

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The club's original purpose was to enjoy and protect the mountains of the west.

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Nuclear power plant suffered a partial meltdown.

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Across the country, around 20 million came together to show their concern for healthy environment.

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By the 1970's, water had become so polluted by chemicals, sewage, and pesticides that it was unsafe to drink.

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Allowed the EPA to regulate the equality of public drinking water