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Four Out of 10 Americans Live in ‘Double Whammy’ Climate Hot Spots Where Smog and Ragweed Threaten Health
WASHINGTON, July 11, 2017 /PRNewswire-USNewswire/ — Four out of 10 Americans live in “double whammy” counties where unhealthy smog and pollen-producing ragweed — both tied to the growing climate crisis — combine to threaten respiratory ...