World sees 'severe' coral bleaching event — US agency

The NOAA scientific agency says that the world is experiencing its second bleaching event in 10 years. A coral reef off the coast of Florida has been impacted, as has Australia's Great Barrier Reef.

World sees 'severe' coral bleaching event — US agency
The NOAA scientific agency says that the world is experiencing its second bleaching event in 10 years. A coral reef off the coast of Florida has been impacted, as has Australia's Great Barrier Reef.