Tony Dokoupil explores the future of zoos with the New Republic’s Ben Crair; looks at a new way to die with the Urban Death Project’s Katrina Spade; debuts a director’s cut of photographer Murray Frederick’s best shots; talks with the Dodo’s Melissa Cronin about the sweeping campaign to ban killer whales at SeaWorld; and hears from Mr. Dinosaur Train, Scott Sampson, about how to raise wild child. Greenhouse airs Thursdays at 12pm ET.April 2, 2015
