Federal disaster declared in W.Va., where chemical spill caused water emergency…
Judy Woodruff asks Carolyn Porco if NASA can afford to continue exploring Saturn.
Brenda Hillman talks about her new collection 'Seasonal Works with Letters on Fire.'…
Dwindling supplies add to despair and uncertainty in the Philippines…
Relief workers struggle to provide life-saving services to typhoon survivors…
Discovery of Earth-size planets incites the search for intelligent life…
What the lowlands can teach the U.S. about warding off high water…
The "Room for the River" moves homeowners out to give land back to the river.
Klaus Jacob explains how climate change will affect flooding from storms like Sandy.
The Netherland's iconic windmills were once the height of flood control technology.
