Figure by (and permission obtained from) Michael Ernst, The Woods Hole Research Center, Downloaded from: Greenhouse Effect

Figure by (and permission obtained from) Michael Ernst, The Woods Hole Research Center, Downloaded from:

Source: R. F. Keeling, S.C. Piper, A.F. Bollenbacher and S. J. Walker; Scripps CO 2 Program ( Scripps Institution of Oceanography (SIO), University of California, La Jolla, California, USA ; Downloaded from: Permission obtained from S. Piper, CO 2 Research Center, SIO. Year Rise in Greenhouse Gases

Source: W.R. Ruddiman, Earth’s Climate; Past and Future, 2008, 2nd edition, W. H. Freeman and Company, New York, NY, 388 pg. Climate System

Source: W.R. Ruddiman, Earth’s Climate; Past and Future, 2008, 2nd edition, W. H. Freeman and Company, New York, NY, 388 pg.