Yes, a bit of a cliche, but this talk isn’t. Harry Greene is not just the author of THE book on snakes, and a wonderful naturalist’s autobiography; he also writes (as I have) for the Center for Humans and Nature, a thoroughly original “think tank”. (Mine was on “Nonhuman Partners in the Hunt”; and Malcolm Brooks wrote about me here). In this talk, Harry makes the most rational and lucid case for conserving great beasts. I bet he would be interested in the Passenger pigeon and mammoth, too.