<p>The Rio+20 Summit produced a largely meaningless document that failed to address the daunting environmental challenges the world faces. But many at the conference looked to an alternative approach they called “green economics” — using market forces to help nations achieve sustainable development.</p>
<p><a href="http://www.energybulletin.net/stories/2012-06-28/beyond-rio%E2%80%99s-disappointment-finding-path-future">read more</a></p>