(The Guardian) In a few weeks, members of Unesco’s world heritage committee will meet in Bonn to discuss a simple, but disturbing proposition: that Australia’s Great Barrier Reef, the world’s largest coral reef system, be listed as being “in danger”. The reef, worth an estimated $Aus5bn (£2.6bn) a year in tourism to the nation, is a world heritage site and contains more than 400 types of coral and 1,500 species of fish. Set in turquoise waters off the coast of Queensland, the 1,400-mile reef is one of the planet’s greatest wonders, but is now being eroded at an alarming rate.
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