El Niño could bring more widespread coral bleaching, NOAA warns
The National Oceanic and Atmospheric Administration (NOAA) has warned that the upcoming El Niño could lead to widespread coral bleaching. This event could mark the fifth global bleaching incident in recorded history, affecting reefs in the northern Pacific, Florida, and the Caribbean. Scientists are monitoring the situation closely, as the onset of El Niño is associated with higher ocean temperatures that stress coral reefs.
- ▪NOAA predicts a high risk of coral bleaching this summer due to the expected arrival of El Niño.
- ▪The last global bleaching event impacted 84% of the world's reefs and ended in mid-2025.
- ▪El Niño events have historically coincided with global coral bleaching incidents since 1998.
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Science El Niño could bring more widespread coral bleaching, NOAA warns By Emily Mae Czachor Emily Mae Czachor News Editor Emily Mae Czachor is a reporter and news editor at CBSNews.com. She typically covers breaking news, extreme weather and climate. Emily Mae previously wrote for outlets like the Los Angeles Times, BuzzFeed and Newsweek. Read Full Bio Emily Mae Czachor Updated on: June 3, 2026 / 12:12 PM EDT / CBS News Add CBS News on Google The expected arrival of El Niño in the next few months could trigger another mass coral bleaching event, just a year after the last one's conclusion, the National Oceanic and Atmospheric Administration warned this week.This would mark the fifth global bleaching incident in recorded history if it comes to fruition, said NOAA, a U.S.
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