Connie Hedegaard - EU Commissioner for Climate Action

What has happened to Europe's big ambition to lead the world toward a low-carbon, sustainable future? As austerity bites so doubts intensify about the wisdom of decarbonising the European economy and financing greener growth in the developing world. HARDtalk's Stephen Sackur speaks to the EU Commissioner for Climate Action, Connie Hedegaard. Are Europe's politicians failing the climate change challenge?