The Environmental Protection Agency has finalized new health standards for one kind of air pollution. Lester Graham reports.
Listen to the entire program: Ocean Ecologist Speaks About Oil Disaster; Marcellus Gas Well Accidents Raise Worries; Artful Water Remedia
Most of us are used to living within an extended, urban life-support system dedicated to keeping us safe.
A lot of fresh water goes to grow food. But as the population increases in the world so does the demand for that water.
A fleet of kayaks and canoes gathered around the convergence of Pittsburgh's three rivers to break a world record-- because we are a
We don't usually see what goes into cleaning up streams from the polluted water pouring out of the area's many abandoned mines. But visitors can now walk around a series of artfully designed restoration ponds at a forested property south of Pittsburgh.
Health effects of one the most toxic types of chemicals are being reevaluated by federal scientists.
The catastrophic accident that's been at the top of news headlines for weeks is the Gulf oil spill.
Critics of gas drilling in the Marcellus Shale have feared the kind of local accident that came to pass last week.