Underwater Umbrellas Emerge as a Promising Shield Against Coral Heat Stress
Scientists are testing a simple but potentially powerful intervention to help coral reefs survive marine heatwaves: underwater shade structures that reduce the intensity of sunlight reaching vulnerable reefs. The approach is not a substitute for cutting greenhouse-gas emissions, but it could buy time for ecosystems already being pushed beyond their thermal limits. As oceans continue to warm, the technique is drawing attention as a practical tool in the wider climate adaptation arsenal.
