Earthwatch Radio - Habitats and Ecosystems

Scientists go to great depths to study marine predators that are big, dangerous and surprisingly sensitive.

Americans are falling behind in science, and a leading biologist says that erodes support for environmental protection.

Frogs in Yosemite are in danger of extinction, and biologists have to deal with a combination of causes to try to save them.

A young couple followed Arctic caribou for a thousand miles on foot, and they came back convinced that these animals need protection.

Scientists urge action worldwide to stop the extinction of amphibians.

Scientists discover all kinds of things living in the Arctic ice, and some of them might become homeless in a warmer world.

People benefit when we defend plants and animals from extinction, according to a leading ecologist.

Invaders have been feasting on native species and threatening their habitat. An expert says it's time to bite back.