Scientists on Wednesday released new footage of the widespread devastation across Australia's Great Barrier Reef.
The reef's northern section suffered the worst coral bleaching event in history earlier this year following an extreme underwater heatwave in 2015-2016.
Bone-white branches and coral covered in predatory starfish now stand where healthy, colorful organisms once thrived.
Scientists with the ARC Centre of Excellence for Coral Reef Studies are re-surveying the 83 reefs they visited in March at the height of the bleaching event. Read more...More about Coral Reef Photos, Climate Change, Global Warming, Coral Reefs, and Coral Bleaching