"Three metropolitan areas in Northeast Ohio were among 72 areas in the U.S. that suffered through more than 100 days of unhealthy air pollution in 2015, according to a report released today by the Environment America Research & Policy Center."

"In a win for environmentalists, a federal court [Tuesday] tossed a George W. Bush-era rule exempting animal feeding operations from certain pollution reporting requirements."

"The U.S. Court of Appeals for the District of Columbia Circuit granted the Environmental Protection Agency’s request Tuesday to delay oral argument in a case over its 2015 smog standard, allowing the agency time to reconsider the Obama-era rule."

"The Trump administration has given its strongest indication to date it may not stand in the way of lawsuits aimed at undoing Obama-era environmental protections for smog-forming pollutants."

"New research released Monday documents the impact that pollution from a coal-fired plant in Pennsylvania had on four wealthy New Jersey counties as far as 30 miles downwind. Women in those counties had a greater risk of having babies of low or very low birthweight — less than 5½ pounds — than did women in similarly affluent areas."

"California’s clean-air agency voted on Friday to push ahead with stricter emissions standards for cars and trucks, setting up a potential legal battle with the Trump administration over the state’s plan to reduce planet-warming gases."

"California's air quality board voted unanimously on Thursday to approve methane regulations touted as the strictest adopted yet in the United States for controlling emissions of the second-most prevalent greenhouse gas in the atmosphere."

"No agency in the federal government fared worse under Thursday’s proposed budget than the Environmental Protection Agency."