*Secretary General, World Summit on Sustainable Development Bonizella Biagini
*Senior Environmental Special and NGO Coordinator, Global Environment Facility
*Director of the World Business Council for Sustainable Development with responsibility for Johannesburg Summit on Sustainable Development
In 1992, the Rio Earth Summit was touted as a breakthrough for global environmentalism. So, where are we a decade later? Join Neal Conan on the for this hour's Talk of the Nation for a look at sustainable development, 10 years after the Rio Earth Summit, from NPR News.