From our collaborating partner “Living on Earth,” public radio’s environmental news magazine , an interview by producer Aynsley O’Neill with Steve Palumbi, Stanford University professor of biology and oceans.

Record-breaking heat in the oceans is disrupting marine ecosystems around the world in a multitude of ways, including the most widespread coral bleaching event ever documented.

The Coral Reef Watch at the National Oceanic and Atmospheric Administration, or NOAA, tracks coral bleaching and confirmed that the current global bleaching event, which started in January 2023, has impacted almost 84 percent of the world’s coral reefs.

Coral bleaching happens when ocean temperatures are so hot that the stressed-out corals evict their symbiotic algae, turning the corals white and making them

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