Climate change is decimating coral reefs. As humans put greenhouse gasses into Earth’s atmosphere, they warm the planet before settling back down into the oceans and making the water more acidic. These combined factors have caused coral die-offs around the world. But now researchers have found a set of corals in Hawaii’s Kāne’ohe Bay that can already tolerate warmer temperatures and more acidic waters. Scientists are calling them “supercorals.” These corals even bounced back after sewage dec