Petty's Island, in the Delaware between Camden and Philadelphia, once bustled with industry. Plans are now to make it an urban preserve.

An effort is underway to name the Paulins Kill, a 41-mile tributary of the Delaware River in New Jersey, as a National Wild and Scenic River.

The Delaware & Raritan Canal, a water supply link from the Delaware River to the Raritan River in New Jersey, faces ...

Streams in the Delaware River watershed face a variety of threats: stormwater runoff, acid rain, coliform and sedimentation.

Can this hidden gem of explosively colorful street art survive burgeoning commercial redevelopment up and down Philadelphia’s waterfront?

Road salt, while good when roads are icy, can be bad for water systems and the critters that inhabit them. The U.S. Environmental Protection Agency has given $319,382 to the University of Delaware to ...

Nearly 150 warehouses – totaling 88 million square feet – are planned or been recently approved in New Jersey’s Delaware River watershed.

Our wastewater treatment plants are all over the watershed, treating our -- excreta -- and making our water safe to drink. They have a role to play in helping the Atlantic sturgeon -- an endangered ...

The New York City Department of Environmental Protection has agreed to stop most added land purchases to protect its Catskills reservoirs.

A flotilla of 89 paddlers made up this year’s Delaware River Sojourn, which combined paddling on the river with camping and education.