Earth as a System

Courtesy of NASA/Goddard Space Flight Center, Scientific Visualization Studio, Smithsonian Institution,Global Change Research Project (GCRP), National Oceanic and Atmosphere Administration (NOAA), United States Geological Survey, National Science Foundation (NSF), Defense Advanced Research Projects Agency (DARPA), Dynamic Media Associates (DMA), New York Film and Animation Company, Silicon Graphics, Inc. (SGI), Hughes STX Corporation. Teachers' Domain version ©2006 WGBH Educational Foundation. All rights reserved.