Barry Commoner: The methods that EPA introduced after 1970 to reduce air-pollutant emissions worked for a while, but over time have become progressively less effective.

The methods that EPA introduced after 1970 to reduce air-pollutant emissions worked for a while, but over time have become progressively less effective.

-- Barry Commoner


		Name: Barry Commoner Type: Scientist Nationality: American Birth: May 28, 1917

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