The Great Barrier Reef is experiencing a major coral bleaching event right now
![diver looking at bleached corals](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/04/2017-03-ticker-diver-Orpheus-Island_free.jpg?fit=860%2C460&ssl=1)
Corals along large swaths of the Great Barrier Reef have lost their symbiotic algae, removing their vibrant colors and primary food supply, new observations show.
Greg Torda/ARC Centre of Excellence for Coral Reef Studies/James Cook Univ.