Australian Broadcasting Corporation: Environmentalists have renewed calls for the Coral Sea to be declared a protected area, claiming it could improve the health of the Great Barrier Reef. The World Wide Fund for Nature (WWF) says new research shows coral larvae can travel from the Coral Sea to the neighbouring Great Barrier Reef. WWF spokeswoman Lydia Gibson says the larvae can then repopulate parts of the reef under pressure from climate change and freshwater run-off. “This proves that the Coral Sea has a …