Will it work?
Australia announced plans Friday to explore concepts such as firing salt into clouds and covering swathes of water with a thin layer of film in a bid to save the embattled Great Barrier Reef.
The UNESCO World Heritage-listed reef, about the size of Japan or Italy, is reeling from two straight years of bleaching as sea temperatures rise because of climate change.
Experts have warned that the 2,300-kilometre (1,400-mile) long area could have suffered irreparable damage.
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