Coral bleaching event now biggest in history – and about to get worse

US weather agency says bleaching is now the most widespread on record and is likely to continue for unprecedented third yearThe coral bleaching event sweeping the globe and destroying vast tracts of valuable coral reef is now officially the most widespread in recorded history, and is likely to continue for an unprecedented third year, according to the US weather agency. For the coming four months, National Oceanographic and Atmospheric Administration says its forecasts show warm ocean temperatur