Budget earmarks $500m to mitigate Great Barrier Reef climate change

The money will help try to save the reef from crown-of-thorns starfish and reduce pollution, Malcolm Turnbull to announce

The Turnbull government will allocate $500m to mitigate the impacts of climate change on the Great Barrier Reef.

The funding, to be unveiled on Sunday and confirmed in the May budget, follows a recent study finding that 30% of the reef's corals died in a catastrophic nine-month marine heatwave in 2016.