David Yarnold is the author and primary photographer of The Geography of Hope: Real-Life Stories of Optimists Mapping a Brighter Future. He led the National Audubon Society, helped the Environmental Defense Fund teach China carbon trading, and was executive editor at the San Jose Mercury News. Yarnold is a Pulitzer Prize-winning editor, a Pulitzer finalist for editorial writing, and an award-winning photojournalist and designer.
