Watershed

The annual Philadelphia Flower Show gets its feet wet in environmental issues surrounding water.

Several environmental groups have asked the Commonwealth Court for an injunction to halt Sunoco/Energy Transfer Partners Mariner East 2 pipeline construction.

Recent unseasonably warm weather has lured some frogs out of hibernation early. Herpetologists worry what that might mean for them — and other animals.

Federal regulators have effectively denied a request to reconsider their approval of the planned PennEast Pipeline, the agency’s critics say.

A coordinated effort is working to keep Delaware’s water clean starting at the source across the border in Pennsylvania.

The red knots stop for nourishment along the Delaware Bay on their annual journey from Chile to the Arctic.

Sunoco said Thursday it aims to begin operating its Mariner East 2 pipeline across southern Pennsylvania by the end of the second quarter of this year.

Speaking to hundreds of refinery workers, Cruz railed against the federal program known as the Renewable Fuel Standard (RFS), while the workers cheered.

Despite her alarm at the prospect of losing her spring water, Anthony says she’s not moving even if the pipeline is built on her land.

The new board determined that the natural gas liquids pipeline is being built well within a “pipeline impact radius.”

Fishermen, environmentalists, realtors, and local business owners, descended on a hotel near Trenton voicing their unified opposition to drilling off the coast of N.J.

The Department of Environmental Protection’s penalty for dozens of permit violations over the last year was among the largest ever handed out by the agency.