'World witnessed longest bleaching event in past two years'
In 2016, bleaching hit 90 per cent of coral on the iconic Great Barrier Reef and killed more than 20 per cent of the reef's coral, researchers said.
Jan 05, 2017, 20:44 PM IST
In 2016, bleaching hit 90 per cent of coral on the iconic Great Barrier Reef and killed more than 20 per cent of the reef's coral, researchers said.
Jan 05, 2017, 20:44 PM IST