Proposed changes in how the Environmental Protection Agency (EPA) assesses the health risks of fine particulate matter, a form of air pollution that has been linked to an array of diseases, would significantly undermine the agency’s ability to protect the public from air pollution, according to a new paper in Science co-authored by Francesca Dominici, Clarence James Gamble Professor of Biostatistics, Population and Data Science at Harvard T.H. Chan School of Public Health.

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