Reuters: A stranded Chinese coal ship leaking oil onto Australia’s Great Barrier Reef is an environmental time bomb with the potential to devastate large protected areas of the reef, activists said on Monday. The ship was a "ticking environmental time bomb," Gilly Llewellyn, director of conservation for the World Wide Fund for Nature (WWF) in Australia, told Reuters. She said this was the third major international incident involving its owners in four years. Australian government …