AAP: WA has arguably the most pristine coral reef remaining on the planet – and it’s not Ningaloo. Just 260km off Broome are Rowley Shoals, three atolls on the edge of one of the widest continental shelves in the world. But with climate change, cyclones and illegal fishing all posing a risk, marine scientists have embarked on a three-year mission to protect one of our best-kept underwater secrets. Just back from their first trip, the researchers found the reef was in …