Condoms for a cause.

From melting ice caps to volcanic hot springs, Roni Horn's art is inspired by Iceland's shifting landscape.

Canadian environmentalist David Suzuki offers his take on the greenness of the games.

Researchers in Missouri aim to grow algae for biofuel in abandoned mines.

Experts say Asian smog accounts for 29% increase in baseline ozone since 1984.

Biannual Environmental Performance Index unveiled at the World Economic Forum.

New rules of the sea mean new recipes on the plate.

In Portland, a federal green building project takes shape.