David Yarnold is the president and CEO of the National Audubon Society.
Doreen Cubie is freelance magazine writer who specializes in natural history, science, the environment, nature travel, and gardening for wildlife.
Douglas Brinkley is Professor of History at Rice University. His latest book, Cronkite, will be published this May. He is currently working on the third volume of his Wilderness Cycle, Silent Spring Revolution.
Douglas Fischer is editor of The Daily Climate, an independent news site covering energy, the environment and climate change.
Douglas Smith, PhD, leader of the Yellowstone Gray Wolf Restoration Project, has studied wolves for decades and has worked on the reintroduction since its inception. He lives in Bozeman, Montana.
Elizabeth Kolbert is a staff writer at The New Yorker. Her last book, "Field Notes from a Catastrophe," (2006), was on global warming.
Ellen Ruppel Shell is a professor at the graduate program in science journalism at Boston University.
Frank Graham Jr. is a field editor for Audubon.