For the past decade, water temperatures along Australia's famed Great Barrier Reef have been the warmest in 400 years, according to a major study in Nature.
The science journal says it's most likely down to human-induced climate change.
New warning about 'demise' of one of Earth’s great natural wonders
Temperatures on the Great Barrier Reef have soared to their highest in 400 years, a new study has found.
Sky News