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National Institute of Environmental Health Sciences

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The Weight of Numbers: Air Pollution and PM2.5

Undark and the Pulitzer Center on Crisis Reporting visited seven countries on five continents, rich and poor, north and south, to examine the impacts of this sort of air pollution on the lives of everyday people, and to uncover what’s being done — or not — to address this ambient and ultimately controllable killer.
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The Weight of Numbers: Air Pollution and PM2.5