With 7 of its most ambitious rules for cars, trucks and trains repealed, California officials now must find new ways to clean up the nation’s worst air pollution. But officials face growing pushback ...

The Trump administration is delaying mandates that would have forced steelmakers U.S. Steel and Cleveland-Cliffs to cut toxic ...

A controversial bill on how best to clean up the air at California ports gets a hearing today in Sacramento. Senate Bill 34 ...

The president has set Attorney General Pam Bondi on ActBlue to probe what he describes as “excessive and prohibited ...

When Virginia state agencies file their required annual reports on diversity and inclusion programs, they rarely mention race ...

Gas-powered cars and diesel trucks remain the state’s largest sources of smog and soot despite decades of cutting emissions.

The River Seine in Paris was shut down due to pollution concerns just a day after it was declared safe for swimming for the ...

From the International Space Station, NASA astronaut Nichole Ayers captured a rare red sprite over Mexico and the United ...

The labs are responsible for the forecasting that the nation relies on for storm warnings and emergency preparedness.