The resurgence of river otters in North America is considered one of the greatest success stories of modern wildlife ...

The Cool Down further explains how millions of people living in and around Philadelphia — as well as in parts of New Jersey – depend on the river for drinking water. Too much seawater — and the salt ...

T here are 474 bridges across South-Central Pennsylvania that are in poor condition, according to the Pennsylvania Department ...

Concrete protection has become a rallying cry for bike safety advocates since the death of cyclist Barbara Friedes in a crash ...