Conflict over resources could cause global instability, says U.N. official

With debt crisis looming, the GOP takes aim at environmental regs

California's archetypal mid-century architect turns 100

NYC artist recycles images into large scale Polaroid experiments

Cell phone-charging T-shirt tech to debut at the Glastonbury Festival.

But will it cause more problems that it fixes?

Venice Biennale exhibit considers idyllic northern paradise

The Windy City readies itself for a warmer future