Tviga Vasilyeva's "Soundstills" would be pretty cool if we could understand them.

Military steps up effort to go green.

Republican governors working to ease environmental rules.

New research suggests that the footprint of natural gas development is worse than coal.

Shot from the sky, the farmlands of northeastern Spain look like abstract paintings.

Warships to be recycled for valuable parts.

Beautiful nature photos feature people in lieu of animals.

Green cycles blend nature and tech.