Dr. John Burns is an Assistant Professor at the University of Hawaii at Hilo. In this episode John explains the critical importance of coral reefs to the ocean ecosystem and coastal communities. He talks about the health of coral reefs in Hawaii and globally, as well as what changes in reefs reveal about the health of the ocean and planet. John also discusses the science behind Hawaii’s ban on sunscreens with oxybenzone and octinoxate and how these chemicals may impact coral reefs.