Thanks for that footage, SeaBreeze. It was most interesting.
I've snorkled over the Barrier Reef a couple of times and it is a transcendent experience.
It breaks my heart that our government is pursuing policies that threaten the existence of the reef.
By refusing to take carbon dioxide emissions reduction seriously we are doing nothing for the long term health of the reef and by insisting on advancing a huge coal mine with associated new port facilities in north Queensland we are posing an immediate threat due to dumping of sediment at sea.
This heritage listed feature is in danger although UNESCO has put off declaring it so for a few years while they keep an eye on developments.