Thousands of tons of trash are being dumped at unauthorized waste sites across the Antelope Valley, lawsuits claim.

The California Department of Toxic Substances Control had planned to weaken rules for hazard waste disposal. An oversight ...

The board that oversees California's toxic substances agency unanimously voted Thursday to remove a controversial proposal ...

It has become routine for some unscrupulous contractors, assigned to transport construction and demolition debris or bulk ...

Environmentalists warn that these recurring fires pose a serious threat to the ecosystem, with potential consequences ...