"Basically at this point, about two-thirds of the Northwestern Hawaiian Islands are seeing a level of warming where you're usually seeing bleaching." "Dude, you're about to see the GBR from the air." "It's just amazing to think about how massive it is." "And it's all alive." "Bit of a shock." "This is the hardest dive I've ever had to do." "Most of the Acropora, the most common branch corals, are dying." "Because the climate is still changing, the ocean temperature is still rising." "The El Niño this year has bleached what's left."