Director James Cameron and actress Sigourney Weaver are in Brazil to protest against a proposed dam in the Amazon that would be the world's third-largest hydroelectric project. The Hollywood celebrities will join about 1,000 demonstrators in Brasilia's streets Monday as they urge the government to halt the planned Belo Monte project.More...



In January, part of a decades-old sewer line in Maryland collapsed by the Potomac River. Over...





























