A “fascinating” exploration (Elizabeth Kolbert) of how ecosystems are sculpted and sustained by animals eating, pooping, and dying—and how these fundamental functions could help save us from climate catastrophe. Joe Roman is a conservation biologist, marine ecologist, and editor ’n’ chef of eattheinvaders.org. Winner of the Rachel Carson Environment Book Award for Listed, Roman has written for the New York Times, Science, Slate, and other publications. He is a fellow and writer in residence at the Gund Institute for Environment at the University of Vermont.