Skip to main content
Back to Show
PBS News Hour

Record ocean heat triggers massive coral reef bleaching

Scientists issued a warning due to record-breaking temperatures in 2023 which accelerated the speed of the second-largest mass coral bleaching event across the Atlantic, Pacific and Indian Oceans. Nearly a quarter of all ocean species rely on the reefs. William Brangham discussed the global situation and what’s at stake with Julia Baum, a marine ecologist and coral reefs researcher.

Support Provided By
Season
May 4, 2025 - PBS News Weekend full episode
26:45
May 4, 2025 - PBS News Weekend full episode
May 3, 2025 - PBS News Weekend full episode
26:44
May 3, 2025 - PBS News Weekend full episode
May 2, 2025 - PBS News Hour full episode
56:45
May 2, 2025 - PBS News Hour full episode
May 1, 2025 - PBS News Hour full episode
56:42
May 1, 2025 - PBS News Hour full episode
April 30, 2025 - PBS News Hour full episode
56:44
April 30, 2025 - PBS News Hour full episode
April 29, 2025 - PBS News Hour full episode
56:45
April 29, 2025 - PBS News Hour full episode
April 28, 2025 - PBS News Hour full episode
56:45
April 28, 2025 - PBS News Hour full episode
April 27, 2025 - PBS News Weekend full episode
26:45
April 27, 2025 - PBS News Weekend full episode
April 26, 2025 - PBS News Weekend full episode
26:45
April 26, 2025 - PBS News Weekend full episode
April 25, 2025 - PBS News Hour full episode
57:46
April 25, 2025 - PBS News Hour full episode
April 24, 2025 - PBS News Hour full episode
57:46
April 24, 2025 - PBS News Hour full episode
April 23, 2025 - PBS News Hour full episode
57:46
April 23, 2025 - PBS News Hour full episode
Active loading indicator