Inspired by Earth Day on April 22, Rick looks at ecology in comics and science fiction with Green Lantern/Green Arrow writer Denny O'Neil and artist Neal Adams, Swamp Thing writer Alan Moore, and authors John Brunner (The Sheep Look Up), Nancy Kress (Brain Rose), Kim Newman (co-editor, Horror: 100 Best Books), Larry Niven (co-author, Fallen Angels), Bruce Sterling (Schismatrix), and dinosaur illustrator William Stout.