Juliane L. Fry is Assistant Professor of Chemistry and Environmental Studies at Reed College. Hans-F Graf is Professor for Environmental Systems Analysis in the Centre for Atmospheric Science at the University of Cambridge. Richard Grotjahn is Professor -in the Department of Land, Air, and Water Resources at the University of California, Davis. Marilyn N. Raphael is Professor in the Department of Geography at the University of California, Los Angeles. Clive Saunders is Senior Lecturer in the School of Earth, Atmospheric, and Environmental Sciences at the University of Manchester. Richard Whita...