Fourth mass coral bleaching event in six years feared by experts

Australia's Great Barrier Reef runs the risk of another summer of elevated coral bleaching if cyclones and other rain events don't arrive to "suck out the heat", agencies say. Predictions from the Bureau of Meteorology and the top US forecaster, the National Oceanic and Atmospheric Administration, indicate water temperatures off north-eastern Australia will be above average in December and January. 

Original Article