Failed pledges at UN Summit in Brazil

Democracy Now!:

Leaders from more than 100 countries are meeting today in Brazil for the start of the Rio+20 Earth Summit, the largest United Nations conference ever. The conference comes 20 years after the U.N. Earth Summit in Rio de Janeiro pledged to protect the planet by endorsing treaties on biodiversity and climate change. Little has been done in the intervening years to reach development goals in areas like food security, water, global warming and energy. Although negotiators have already agreed on a draft document to be approved by world leaders, many groups working on environmental and poverty issues have criticized the draft agreement, saying it is far too weak. We go to Rio to speak with Kumi Naidoo, executive director of Greenpeace.