AP - Democratic presidential candidate John Edwards on Tuesday defended the construction of a sprawling, 28,000-square-foot house in North Carolina, arguing that his home is a model of energy efficiency.

Reuters - Environmentalists rallied on Capitol Hill, President George W. Bush pushed fuel economy and White House hopeful John Edwards unveiled a new energy plan

Reuters - President George W. Bush used visits to struggling U.S. automakers on Tuesday to pitch his energy agenda, promoting cars that use less or no gasoline as a way to cut oil use and tailpipe emissions.

AP - Top executives of some of the country's largest electric utilities gave guarded support Tuesday — or at least said they were not opposed — to mandatory carbon emission limits to deal with global warming.

AFP - Tourism is both villain and victim when it comes to climate change the head of the World Tourist Organisation (WTO) said on Tuesday.

AFP - Private satellite carrier SpaceX will launch its Falcon 1 rocket into space from the Marshall Islands Tuesday, nearly a year after its first attempt failed, the company said in a statement.