Link between fossil fuels and Great Barrier Reef bleaching clear and incontrovertible

Data shows bleaching of corals on the Great Barrier Reef coincides with record warm ocean temperatures in the region

Where only a few weeks ago there were swathes of vivid purples, blues and pretty much any other colour you fancy, now there is just grey and white.

Corals in the northern section of Australia's vast Great Barrier Reef - a length of more than 1000km or so - have become the latest and most famous victims of the third global "mass bleaching" of corals since 1998.