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The Environmental Protection Agency

The environment is everything around you - the air, the land, and the rivers and oceans. The Environmental Protection Agency (EPA) is a government office that works to keep the air, the land, and the water clean. Clean air, land, and water help keep us healthy. The EPA works with state environmental agencies to keep the air clean. State environmental agencies take samples of the air at more than 1000 places in the United States to see if the air is dirty or clean.

People hiking in mountains
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