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    • What America Owes the Planet

      The Atlantic· 2 hours ago

      In early 1991, diplomats, scientists, and policy makers from around the world arrived at a hotel conference center near Virginia’s Dulles International Airport, which is famously far from everything ...

    • How science cleared the air over inhaled health risks

      San Francisco Chronicle· 5 days ago

      Odds are your view won't be obscured by dangerous smog – or by clouds of cigarette smoke. For much of the past century, that would have been unthinkable. "Even since just ...