@CNN: He’s responsible for discovering nearly a quarter of the world’s corals. Now, this scientist says the struggling reefs are “the beginning of a planetary catastrophe” https://t.co/60PBI24zRL https://t.co/nSaEBnt3Pj

@CNN: He’s responsible for discovering nearly a quarter of the world’s corals. Now, this scientist says the struggling reefs are “the beginning of a planetary catastrophe” https://t.co/60PBI24zRL https://t.co/nSaEBnt3Pj