How to tackle climate change — and what it means for the economy.

A look at 350.org's planet-scale art project for the climate.

New technologies offer promise for expensive process of making saltwater fresh.

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.

Smart, well-designed dinner ware reminds us to eat local.

Is the Pentagon’s Haiti mission a model for a new security role?