The Great Barrier Reef is bleaching again.

Contrail Chook

Images of new bleaching on Great Barrier Reef heighten fears of coral death

The embattled Great Barrier Reef could face yet more severe coral bleaching in the coming month, with areas badly hit by last year’s event at risk of death.

Images taken by local divers last week and shared exclusively with the Guardian by the Australian Marine Conservation Society show newly bleached corals discovered near Palm Island...

The NOAA Coral Reef Watch’s forecast for the next four weeks has placed an even higher level alert on parts of the far northern, northern and central reef, indicating mortality is likely.

Corals south of Cairns, in the Whitsundays and parts of the far northern reef that were badly hit by last year’s mass bleaching event are at fatal risk.

Sou

I saw something about this also, Contrail Chook. It's not just the Great Barrier Reef, it's coral reefs all over. Many are in watch status and some large areas in the higher alert status. From NOAA's coral reef watch:

There is also a rather good article here by Jo Kahn:
Finding hope on a dying reef