More than two dozen lawmakers signed a letter urging the governor and CalRecycle to toss regulations drafted to implement ...

In the long term, the modification could affect operators in states that model their construction stormwater general permits ...

A new draft of California's single-use plastic EPR rules ordered by Gov. Newsom is drawing praise from industry and concern ...

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater ...

Researchers from Harvard and universities in California and Texas are studying the long-term effects of the Eaton and ...