Summary: With a car, a country villa and frequent travel, the Shengs, a family of three, readily admit they emit more carbon dioxide than the average Chinese family. But how does their "carbon footprint" stack up against an American family's?
Summary: With a car, a country villa and frequent travel, the Shengs, a family of three, readily admit they emit more carbon dioxide than the average Chinese family. But how does their "carbon footprint" stack up against an American family's?