Unprecedented coral bleaching in consecutive years has damaged two-thirds of Australia's Great Barrier Reef, aerial surveys have shown.
The bleaching - or loss of algae - affects a 1,500km (932 miles) area of the reef, according to scientists.
The latest damage is concentrated in the middle section, whereas last year's bleaching hit mainly the north. Experts fear the proximity of the two events will give damaged coral little chance to recover.
Prof Terry Hughes, from James Cook University, said governments must urgently address climate change.
Great Barrier Reef: Two-thirds damaged in 'unprecedented' bleaching
A powerful winter weather system — including an intense low-pressure "bomb cyclone" along the East Coast...
A major winter storm is set to sweep the nation this weekend, bringing snow, sleet, ice...
At least seven people are dead as the result of a monster winter storm in the...
The world has entered an era of “global water bankruptcy” that is harming billions of people,...
