California dominates top 25 most polluted cities ranking — as state’s clean air shame laid bare
While California braces for new clean-air policies and an EV mandate that has been challenged, a new report…
San Diego region ranks 7th smoggiest in US, report finds
The San Diego-Chula Vista-Carlsbad region is the seventh-smoggiest area in the nation, with ozone pollution generally worsening in…