Nine years after the Great Flood, the Great Australian Barrier Reef is showing signs of being threatened by climate change.ABC News Breakfast host Stephen Dubner discusses the issue.ABC ABC News Breakfast, 11 February 2018

Nine years after the Great Flood, the Great Australian Barrier Reef is showing signs of being threatened by climate change.ABC News Breakfast host Stephen Dubner discusses the issue.ABC ABC News Breakfast, 11 February 2018