From Sweden's ICEHOTEL designers

Scientists want to turn your old sandwich into an indestructible wonder material

City streets lit up by incandescent art

"There are no planetary free lunches"

Italian photographer gets lost in the wilds

How do we get modern energy to the global poor without frying the planet?

Richard Branson: It's not all doom and gloom up north

Abstract paintings filled with the energy and lights of NYC nightlife

A Midwestern artist conjures exotic worlds in paint