Environment

Tawny Crazy Ants Invade Southern States

Tawny crazy ants are invading ecosystems and homes in states including Texas and Florida, wiping out other ant species and overwhelming homeowners. Weekend Edition Saturday host Scott Simon talks to Texas A&M research scientist Robert Puckett, who says the ants are "ecological steamrollers" that reproduce so fast they are nearly impossible to get rid of.

Water Wars: Who Controls The Flow?

So often, we take water for granted. But it's not always where we need it, or there when we need it. Two rivers on opposite sides of the country — the Chattahoochee in the South and the Klamath in the far West — may provide lessons for the inevitable and growing dispute over how we manage our most precious resource.

With Climate Change, No Happy Clams

Carbon emissions are slowly acidifying ocean waters, forcing marine life to adapt. Oysters and other shellfish, for example, may have a harder time building their shells, according to NOAA's Richard Feely. At Quilcene, Washington's Taylor Shellfish Hatchery, research director Benoit Eudeline says he's already seeing those effects.

Denis Hayes on Being Green

Since his days as head of the Solar Energy Research Institute under President Jimmy Carter, Denis Hayes has been pushing to add more renewable energy sources to the country's energy portfolio. Hayes discusses the current U.S. market for renewables such as solar and wind, and gives his take on where he sees America's energy future headed.