@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/kAs0IQiEkl https://t.co/EO1FuUefyY

@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/kAs0IQiEkl https://t.co/EO1FuUefyY