The Kojo Nnamdi Show

Last week's tsunami has many asking why India and other countries aren't part of an established tsunami warning system. A look at how tsunami warning systems work and whether this disaster will have more countries trying to establish a...

With fewer federal dollars available for land conservation, and more than 2 million acres of new development each year in the U.S., private groups are turning to "land trusts" as a way to protect agricultural, wooded, or...

As Americans become more conscious of sustainable design, the building industry, owners, and tenants have come to view an environmentally sound home or office as a necessity. A Tech Tuesday look at the expanding market for green buildings.

Experts agree. Animal extinction is a natural process, and the vast majority of species who have lived on the earth are already gone forever. Noted naturalist Richard Ellis explores this powerful process, its impact on evolution, and why...

Whether its SARS outbreak or an anthrax attack, the rapid reaction force from the Center for Disease Control and Prevention is usually among the first people on the scene. Get a view inside the Epidemic Intelligence Service and hear how...

It's a bumper year for raccoons with rabies, and there's been coyote sightings in the inner suburbs. Experts join us to look at urban wildlife taking up residence in a yard (or attic) near you.

Every 500,000 years or so, the Earth's magnetic field literally turns on its head, so that north is south and south is north. Many scientists say we're long overdue for the next magnetic shift, which would have a dramatic effect on...