Elizabeth Township in Allegheny County shouldn't have allowed a gas well to be built in a residential area, a state court panel ruled.

Old wells pose health and safety risks by leaking pollutants that can contaminate groundwater and impact air quality.

The art installation "Momentum" fills Pittsburgh Botanic Garden with color, sound and motion, inviting visitors to reflect on their bond with nature.

Environmental groups are divided on whether to support a new state board that would expedite the siting of electricity ...

One tip: walk in the center of the trail. Ticks like to attach themselves to long grasses. No need to use DEET.

Environmental groups want Nippon to clean up U.S. Steel's Mon Valley plants, which have racked up $64 million in fines and settlements in recent years.

The an annual conference focused on sustainable and inclusive water management practices comes to Pittsburgh in early July.

Pennsylvania leaders say the state needs more energy, so there’s a plan to create a board to streamline the siting of new power projects. Environmental groups and others are split on the idea.