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.

Photographer continues his decade-long documentation of our dependence on oil.

Cargoshell aims to revolutionize global shipping.

Japanese artist Chiharu Shiota contemplates the connectedness of things...visible and not.

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.

Denver, Minneaopolis and Boston set to launch bike share programs in 2010.

Community Shop opens its doors at the ACE Hotel in Palm Springs.