By Matthew Rozsa for Salon

By Nicholas Vincent for One Green Planet

By Frank Carini for EcoRINews

By Lisa Stiffler for Geekwire

By David Flickling for the Washington Post/Bloomberg

By Seth Borenstein for the Associated Press

By Heather Kostick for the Penn Center for Science, Sustainability and the Media

By Lily Jamali for NPR

By Heather Kostick for Penn Center for Science, Sustainability and the Media