Dan Barber, in London, makes food waste the new black. How April Bloomfield turned her fear of the hamburger into gold. Tasmanian journalist Craig Leeson wants to shock you—to save the earth with his film, A Plastic Ocean. From upstate New York, a Brazilian-American man has started a shrimp revolution. And Gillian Jacobs, star of Netflix's Love, calls us from Los Angeles with her Madeleine Moment (spoiler alert: sprouts are involved).