Efforts to more strictly regulate the chemical, known as hydrofluoric acid and modified hydrofluoric acid, are escalating to ...

Three environmental groups are suing the EPA, asking a judge to order the agency to reassess its regulations on the chemical.

EPA rollback of climate rules could weaken California’s clean air authority and trigger legal battles over greenhouse gas ...

TALLAHASSEE — A coalition of groups Tuesday moved toward filing a lawsuit against the U.S. Environmental Protection Agency over regulation of phosphate-industry waste that the groups say poses ...

Under sue-and-settle litigation, an increasingly common method of federal environmental rulemaking, an environmental lobbying group sues an agency–say, the Environmental Protection Agency (EPA). The ...

A lawsuit filed in federal court in Washington D.C. on Thursday seeks to compel the EPA to review and revise regulations plaintiffs say are "inadequate to protect human health and the environment." ...