Dr. John Christy, Professor of Atmospheric Science and Director of the Earth System Science Center at the University of Alabama in Huntsville, talks about his career with Roy Spencer, a climatologist and Principal Research Scientist at the University of Alabama in Huntsville, and the controversy surrounding his findings during an interview in his office at the University of christy spencer Sizes: 150 × 150 / 300 × 243 / 768 × 622 / 600 × 486 / 175 × 131 / 617 × 500 / 45 × 45 / 900 × 729