Jared Diamond: Take air quality in the United States today: It's about 30 percent better than it was 25 years ago, even though there are now more people driving more cars.

Take air quality in the United States today: It's about 30 percent better than it was 25 years ago, even though there are now more people driving more cars.

-- Jared Diamond


		Name: Jared Diamond Type: Author Nationality: American Birth: September 10, 1937

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