The D.C. Circuit Court of Appeals vacated FERC’s licensing of the Conowingo Dam on the Susquehanna River in Maryland, ruling in favor of environmental groups.

Nine conservation groups sued EPA over the agency’s move to weaken standards on water pollution emanating from coal-fired power plants.

Talen Energy agreed to pay a $1 million fine after toxic waste from its Brunner Island plant seeped into groundwater and the nearby Susquehanna River.

FERC denied the New York Department of Environmental Conservation's request for rehearing and stay on the Northern Access natural gas pipeline.

FERC refused Constitution Pipeline’s request to find that New York regulators had failed to act in a timely manner on the company’s water permit application.

A dispute between North Carolina’s governor and a veteran state scientist over the Duke Energy coal ash practices has exploded into the public, with the scientist’s boss resigning in protest.