Although this year's Rio+20 conference produced only vague goals and few concrete commitments, it provided a major opportunity to shift the...

In his piece for Foreign Policy, Charles Kenny explains how the world is building a low-carbon global economy -- with or without the United...

Michael A. Levi says sensible regulation could benefit the shale gas industry.

This book authored by Lester Brown looks at the environmental threats to international stability and analyses the international cooperation...