Great Barrier Reef world heritage values damaged by climate change, government admits

Report to Unesco by the federal and Queensland governments says key features have deteriorated since reef was listed in 1981

Australia has conceded in an official report that the Great Barrier Reef's unique values as a world heritage site have been adversely affected by climate change.

In the report to Unesco's world heritage committee, the Queensland and federal governments say the reef is "an icon under pressure with a deteriorating long-term outlook".