The world is experiencing the most intense global coral bleaching event on record, with 84 percent of reefs experiencing heat stress from warming oceans

More than 80% of the world's coral reefs fell victim to harmful bleaching and is now in "uncharted territory" with the worst global bleaching event in recorded history.

The most severe global coral bleaching event ever recorded is underway, with most of the world's reefs hit by damaging heat stress, according to scientists. The devastating bleaching has affected 84% of the world's reefs,