US scientists say coral reefs undergoing fourth global bleaching event

The world is currently experiencing a global coral bleaching event, according to NOAA scientists. This is the fourth global event on record and the second in the last 10 years.

World could lose coral reefs by end of century, UN environment report warns

New York: Every one of the world’s coral reefs could bleach by the end of the century, unless there are drastic reductions in greenhouse-gas emissions, the United Nations Environment Programme (UNEP) has warned.