2 дек 1970 г. - Creation of the United (EPA)

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Creation of the United States Environmental Protection Agency (EPA). This agency sets and enforces natural polution-controls amd it was created the second of december of 1970. There was a law called the Clean Air Act that was meant to prevent air pollution in order to safely protect the ozone layer, included with air quality requirrements and federal control over big industrial work.

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