Edward Norton, right, actor and United Nations Goodwill Ambassador for Biodiversity, speaks next to Dr. Braulio Ferreira during a news conference about the Convention on Biological Dive

 

              Edward Norton, right, actor and United Nations Goodwill Ambassador for Biodiversity, speaks next to Dr. Braulio Ferreira during a news conference about the Convention on Biological Dive
Edward Norton, right, actor and United Nations Goodwill Ambassador for Biodiversity, speaks next to Dr. Braulio Ferreira during a news conference about the Convention on Biological Diversity at the United Nations Conference on Sustainable Development, or Rio+20, in Rio de Janeiro, Brazil, Thursday, June 21, 2012. (AP Photo/Victor R. Caivano)