Greenland Ice Sheet Project 2: A Record of Climate Change

©2006 WGBH Educational Foundation. All rights reserved. Materials courtesy of Zach Smith, Wright Center for Science Education, Tufts University, with special thanks to Mark Twickler, Climate Change Research Center, University of New Hampshire and Dr. Paul Mayewski, Climate Change Institute, University of Maine. Additional images courtesy of MarkTwickler, Michael C. Morrison, and Candace Kohl.