Senator WATERS (Queensland) (14:24): After years of climate science denial and saying that the real threat to the reef was water quality and not climate, two of your backbenchers are proposing an inquiry about whether water quality really is a threat to the reef. What do you say to the former Chief Scientist, now head of your reef expert panel, Professor Ian Chubb, who has said the reef science is 'robust', 'peer reviewed' and of the 'highest quality' and has compared the campaign against reef science with strategies employed by big tobacco?