Mark Jaffe has covered energy, environment and government issues for The Philadelphia Inquirer, Bloomberg News and The Denver Post. He was a Knight Fellow at Stanford University and studied environmental economics as a Nieman Fellow at Harvard. He is the author of two books, "And No Birds Sing, The story of an ecological disaster in a tropical paradise" and "The Gilded Dinosaur-The fossil war between E.D. Cope and O.C. Marsh and the rise of American science."