More than 100 million people in the US live in counties that receive an “F” grade for unacceptable levels of smog.
In an unusual hearing off the notorious “shadow docket,” the Supreme Court heard oral arguments on Wednesday in a case that threatens to freeze the Environmental Protection Agency’s (EPA) plan for cracking down on harmful air pollution that crosses state lines and contributes to smog in communities across the country. The EPA updated federal smog standards in 2015 to ensure cleaner air nationwide...
