The justices rejected a push from Republican-led states and industry groups to block the Environmental Protection Agency rule ...

The Supreme Court allowed the Biden administration's EPA to continue to enforces its regulation to attempt to curb carbon emissions from coal- and gas-fired power plants.

Justice Clarence Thomas dissented while two other conservatives wrote that they may be sympathetic to the case were it to be ...

A group of states led by conservatives, along with industry players, challenged a Biden administration rule aimed at reducing ...

The Supreme Court heard oral arguments on Wednesday for a lawsuit brought by San Fransisco, challenging the EPA wastewater ...

The justices heard arguments on Wednesday in a long-simmering dispute between San Francisco and the E.P.A. over regulation of ...

The justices appeared divided over a lawsuit brought by San Francisco over EPA rules for regulating how much sewage the city ...

The Environmental Protection Agency took on a case of deja vu as the justices returned to familiar contentions over regulatory authority.

The U.S. Supreme Court appeared receptive to upholding the U.S. Environmental Protection Agency's right to place generic ...

The Environmental Protection Agency has been at loggerheads with the "City By The Bay" in recent years over what the federal ...

The court’s conservative justices grilled EPA over requirements included in a permit for the city’s wastewater treatment ...