“The reef was so beautiful with so many vibrant colors,” she said ... their house reefs by hiring in-house marine biologists ...

The culprit? Mass coral bleaching. As the name suggests, coral bleaching strips reefs of their color, leaving them completely white. It happens when unnaturally warm ocean water causes coral to ...

in contrast to the vibrant rainbow colors of thriving coral. Bleached coral reefs usually appear as an endless stretch of white coral and eventually turn to dead brown coral. But in New Caledonia ...