Is a 'green' economy politically feasible?

An aerial view of icebergs floating in Greenland
An aerial view of icebergs floating in the Jacobshavn Fjord, near the town of Ilulissat, Greenland. Scientists believe that Greenland, with its melting ice caps and disappearing glaciers, is an accurate thermometer of global warming.
Photo by Uriel Sinai/Getty Images