Bruce Gellerman

Growing evidence suggests environmental factors may play larger role than genetics as cause of autism.

Internews program builds radio stations in Southern Sudan powered by solar and wind energy.

Film documents massive migration of sardines that brings predators of all kinds together along the southeastern tip of the African continent.

Lead batteries are becoming a deadly problem in developing countries where they are melted down and sold as scrap metal.

Research indicates early exposure to chemicals found in plastic containers and some natural food products, like soy, can lead to breast cancer.