Page last updated at 15:54 GMT, Monday, 22 October 2012 16:54 UK

Climate change threatens Great Barrier Reef


Climate change is now seen as the biggest long term threat to Australia's Great Barrier Reef, which has shown clear signs of erosion over the last 30 years.

A report by the Australian Institute of Marine Science recently highlighted the scale of the decline - which is being made worse by natural disasters such as cyclones and the coral-eating crown of thorns starfish.

Christa Larwood reports.

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