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U.S. Carbon Footprint Difficult to Reduce According to a new survey, even the people in the U.S. with the lowest energy usage have a carbon footprint about twice as high as the average global citizen. What changes can an American make to have a significant effect on emissions?
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U.S. Carbon Footprint Difficult to Reduce

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U.S. Carbon Footprint Difficult to Reduce

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According to a new survey, even the people in the U.S. with the lowest energy usage have a carbon footprint about twice as large as the average global citizen. Timothy Gutowski, a professor of mechanical engineering at MIT, explains what kinds of changes a person — and a society — might need to make to have a significant effect on emissions.