Hurricane forces three US reactors shut

Three US nuclear power reactors remained shut down and a fourth on alert Tuesday after Hurricane Sandy wreaked havoc with transmission networks and high waters threatened cooling systems.

Pa. accused of rubber-stamping gas permits

(AP) -- Pennsylvania environmental regulators say they spend as little as 35 minutes reviewing each of the thousands of applications for natural gas well permits they get each year from drillers intent on tapping the state's ...

Freshwater mussels discovered in urban Delaware river

Scientists working with the Partnership for the Delaware Estuary and The Academy of Natural Sciences have made an important discovery in the Delaware River between Chester, Pennsylvania, and Trenton, New Jersey: beds of freshwater ...