World's coral reef system under threat from record-breaking ocean heat
Published
Coral reefs around the world are experiencing global bleaching for the fourth time, a result of warming ocean waters, driven in part, by climate change. The event is expected to be the most extensive on record. For Australia's Great Barrier Reef, it's the fifth mass bleaching event in eight years.
Sign up now for daily news from Australia and around the world. You can also subscribe to Insight's weekly newsletter for in-depth features and first-person stories.