Con Sigourney Weaver

Director James Cameron, left, and actress Sigourney Weaver, right, march during a protest against a proposed dam in the Amazon in Brasilia Monday April 12, 2010. Brazil’s government says the Belo Monte project will provide much-needed clean energy for the country. Indian groups say they will be displaced by the dam and environmentalists say its benefits won’t make up for the damage to the jungle. (AP Photo/Eraldo Peres)