Silhouette of a turtle swimming underwater, Lady Elliot Island, Great Barrier Reef, Queensland, Australia | Sean Scott via Getty Images
Earth & Conservation

Ocean Heat Waves Are on the Rise, Bleaching Coral Reefs and Disrupting Fisheries

Marine heat waves occur 34 percent more often and last 17 percent longer than they did in the early 20th century — and climate change is the likely culprit.