Earth Day - Breath of Life: Lower Air Pollution Extends Life Expectancy

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Earth Day A 2009 study finds Americans' life expectancy increased by 2.7 years since the late 1970s, with ...
Earth Day A 2009 study finds Americans' life expectancy increased by 2.7 years since the late 1970s, with 5 months of that attributable to decreases in air pollution from cars and factories.
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