Rio+20 Secretary General Sha discusses prospects for sustainable development meeting

What role can local governments play in international sustainable development discussions? Can next year's Rio+20 meeting provide a boost to the global economy? During today's OnPoint, the Honorable Sha Zukang, Secretary-General of the United Nations Conference on Sustainable Development (Rio+20), discusses his goals for next year's meeting and explains what the international community's expectations are for the United States in the discussions.