Heron Island reef flat, effected by coral bleaching, Great Barrier Reef. 

Heron Island reef flat, effected by coral bleaching, Great Barrier Reef. 

Bleached coral, great Barrier Reef. Climate change effects. 

Dr Peter Harrison, Southern Cross University with bleached coral, Great Barrier Reef. 

Dr Peter Harrison, Southern Cross University with bleached coral, Great Barrier Reef. 

Greenpeace and Southern Cross University divers working on bleached coral, Great Barrier Reef. 

Bleached coral, Great Barrier Reef. Effects of climate change 

Sunset over Heron island. 

Bleached Staghorn Coral, Great Barrier reef, climate change effects. 

Close Up of bleached coral, Great Barrier Reef. Effects of Climate change. 

Sweetlips, Great Barrier Reef. 

Bleached (foreground) and unbleached ( background) coral, Great Barrier reef. 

Turtle, Great Barrier Reef. 

Greenpeace diver and bleached Porites bommie, Great Barrier reef. Effects of Climate change. 

Greenpeace diver inspecting bleached Porites bommie coral, Great Barrier Reef. Effects of climate change. 

Greenpeace and Southern Cross University divers working on bleached coral, Great Barrier Reef. 

Close up of partly bleached coral, Great Barrier Reef. Effects of climate change. 

Bleached and unbleached Staghorn coral, Great Barrier Reef, Australia. Climate change effects. 

Coral Gardens, Great Barrier Reef, Australia.