Yahoo!: The Great Barrier Reef is one of the world's treasures, but is at risk due to coral bleaching as a result of climate change, and government inaction. It's led Ellen DeGeneres to urge the country to save the Great Barrier Reef, as part of a heavily Disney branded campaign called "Remember The Reef". It coincides with the release of the film Finding Dory, the sequel to Finding Nemo, which DeGeneres is a voice actor in. "I'm a big fan of your beautiful, great, wonderful Great Barrier Reef, which is...