A coalition has begun an effort to bring back Tulare Lake and its once-vast wetlands on thousands of acres of farmland in the ...

Sewage crisis along the U.S.-Mexico border has resulted in more than 100 billion gallons of contaminated water crossing into California since 2018.

"Enough is enough, border communities like Imperial Beach, San Ysidro and Calexico should not be treated as sacrifice zones," ...

PFAS concentrations in Los Angeles and Santa Ana rivers exceed federal safety limits, posing serious health risks to ...

California lawmakers are asking President Donald Trump to declare a state of emergency over pollution of the Tijuana River ...