"The U.S. Environmental Protection Agency will finalize on Wednesday its overhaul of how it measures the costs and benefits of proposed new curbs on pollution, a move that is likely to sap the agency’s power to impose tough future regulations, according to a source familiar with the process."

"Loyalists to President Trump have blocked transition meetings at some government agencies and are sitting in on discussions at other agencies between career civil servants and President-elect Joseph R. Biden Jr.’s transition teams, sometimes chilling conversations, several federal officials said."

"Joseph R. Biden Jr.’s choice to run the Department of Health and Human Services is the first state attorney general to create an environmental justice bureau."

"Elevated levels of a PFAS compound were associated with more severe forms of Covid-19, according to a Danish study now undergoing peer review. The research, which involved 323 patients infected with the coronavirus, found that those who had elevated levels of a chemical called PFBA were more than twice as likely to have a severe form of the disease."

"State police brandishing firearms Monday raided the Tallahassee home of Rebekah Jones, the former Department of Health data scientist who built the state's much-praised COVID-19 dashboard before being fired over what she said was refusing to "manipulate data.""

"The U.S. air pollution monitoring network has fallen into disrepair after years of budget cuts and neglect, leaving tens of millions of Americans vulnerable to undetected bad air quality from events like wildfires to industrial pollution, the investigative arm of Congress said on Monday."

"The Trump administration on Monday declined to tighten controls on industrial soot emissions, disregarding an emerging scientific link between dirty air and Covid-19 death rates."

"The EPA on Friday proposed multiple strategies—including limiting some spraying—to reduce human and wildlife’s exposures to chlorpyrifos, a widely-used insecticide that can harm the nervous system.