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America Is Backsliding Toward Its Most Polluted Era
A third of Americans still breathe unhealthy air after decades of improvements—which the Trump administration wants to roll back.
The country’s slide back toward its more polluted past “will become a steeper trajectory,” Joan Casey, an environmental epidemiologist at the University of Washington whose work helped expose the connection between wildfire smoke and dementia risk, told me. When I called Marianthi-Anna Kioumourtzoglou, an epidemiologist at Columbia University, she had just learned that the Trump administration had canceled her grant to study how impacts of climate change, including air pollution, alter cognitive function in aging people. (After this story was published, Diana Furchtgott-Roth, the director of Heritage’s Center for Energy, Climate, and Environment, said that the report was intended to guide federal policies and that it showed that “no causal link between particulates and heart attacks and deaths.”)
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