Up Next
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
56:42
October 23, 2025 - PBS News Hour full episode
57:46
October 22, 2025 - PBS News Hour full episode
57:46
October 21, 2025 - PBS News Hour full episode
57:46
October 20, 2025 - PBS News Hour full episode
26:44
October 19, 2025 - PBS News Weekend full episode
26:44
October 18, 2025 - PBS News Weekend full episode
57:46
October 17, 2025 - PBS News Hour full episode
57:46
October 16, 2025 - PBS News Hour full episode
57:46
October 15, 2025 - PBS News Hour full episode
57:46
October 14, 2025 - PBS News Hour full episode
57:46
October 13, 2025 - PBS News Hour full episode
26:45
October 12, 2025 - PBS News Weekend full episode