Harvard social scientists have published controversial back-of-the-envelope estimates in the Journal of the American Medical Association (JAMA) of the possible toll from air and other pollutants

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Our Travis Rieder explores why withdrawing from the agreement itself matters morally

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The reputation of Roundup, whose active ingredient is the world’s most widely used weed killer, took a hit on Tuesday when a federal court unsealed documents raising questions about its safety and the research practices of its manufacturer, the chemical giant Monsanto

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