We also know that in part because the terrorists want us to live in fear, and want to damage our economy, and the well-being of our people, that they are capable of feeding false information to us in the hope that we over-react, and damage our economic and other interests.

BBC: Terror warning: Revised statement

Glen De'ath from the Australian Institute of Marine Science (AIMS) and colleagues determined that tropical cyclones - 34 in total since 1985 - were responsible for 48% of the damage, while outbreaks of the coral-feeding crown-of-thorns starfish accounted for 42%.

BBC: Half of Great Barrier Reef coral lost in last 27 years