Coral bleaching isn’t just an ocean crisis. Here’s how the global event endangers food security, local jobs—and the land ...

What is Coral Bleaching? This is where things get tricky, as Maiya discovers in “Weathered.” The algae like a comfortable work environment — and when oceans get too warm (around 90° F or 32 ...

New research has revealed alarming coral mortality rates of 92% after last year's bleaching event at Lizard Island on ...

Coral reefs worldwide are undergoing their fourth global bleaching event due to warming ocean waters, scientists say. Since February 2023, coral reef bleaching across at least 53 countries ...

Proteomics Links the Redox State to Calcium Signaling During Bleaching of the Scleractinian Coral Acropora microphthalma on Exposure to High Solar Irradiance and Thermal Stress, Molecular and ...

The NOAA coral reef authority declared the global bleaching event in April 2024, making it the fourth of its kind since 1998. The previous record from the 2014 to 2017 mass bleaching affected just ...

For context, during the worst global coral bleaching event on record between 2014 and 2017, the Global Bleaching Event Index peaked at 56 percent. Advertisement ...

Coral bleaching is considered to begin at four degree-heating weeks — meaning four weeks in which temperatures are 1 degree Celsius (1.8 degrees Fahrenheit) above the average summertime maximum.

In South Florida and parts of the Caribbean, the coral bleaching began by mid-July. The warmer-than-normal conditions continued through August and into September.

Coral bleaching can be devastating to a reef system. It happens when ocean water waters get too warm, prompting the corals to lose the algae that gives them much of their color.

This year's global coral bleaching event follows previous confirmed events in 1998, 2010 and 2014-2017, according to NOAA. ABC News' Dan Peck contributed to this report. Related Topics.