Scientists say temperatures that have gone “crazy haywire” hot, especially in the Atlantic, are close to making the current global coral bleaching event the worst in history.

Nearly two-thirds of the world's coral reefs have been subjected to heat stress bad enough to trigger bleaching over the past year, the leading agency monitoring coral reefs said on Thursday.

In a dire warning about the escalating threat to the world's coral reefs, the US-based National Oceanic and Atmospheric Administration (NOAA) has revealed that nearly two-thirds of these vital marine ecosystems have experienced heat stress severe enough to ...

Approximately two-thirds of the world's coral reefs, underwater ecosystems which are crucial for so many reasons, are getting bleached due to severe heat stress, according to the latest report from the US National Oceanic and Atmospheric Administration (NOAA).

Scientists have documented mass bleaching in at least 62 countries and territories, with India and Sri Lanka recently reporting impacts