Ayana Elizabeth Johnson: Why The Strange and Wonderful Parrot Fish Is In Trouble

'Ayana Elizabeth Johnson is a marine biologist. She has founded or co-founded the following institutions and initiatives: Urban Ocean Lab, a think tank focused on coastal cities; Ocean Collectiv, a strategy consulting firm for conservation solutions; and The All We Can Save Project, a climate initiative. She is also the co-host of the podcast How to Save a Planet.  Johnson is obsessed with one research subject — the parrot fish. She says there is urgent work to be done to save them and their home, the coral reefs.' -- TED Radio Hour