Texas Attorney General Ken Paxton asked a federal court this week to void an Environmental Protection Agency finding that San Antonio has – like every other United States city of its size or larger – exceeded federal standards for ozone in its air.

Paxton argued the finding would seriously hurt the city’s economy. Will it? And why hasn’t the City of San Antonio joined Paxton in the filing? Brendan Gibbons, the Rivard Report's environmental reporter, explains.