6. Temperature Is Rising… Jones, P.D. and Moberg, A. (2003) "Hemispheric and large-scale surface air temperature variations: An extensive revision and an update to 2001". Journal of Climate , 16, 206-223.
12. We Are Releasing More Carbon Dioxide (CO2) Over Time Marland, G., T.A. Boden, and R. J. Andres. 2003. "Global, Regional, and National CO2 Emissions." In Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tenn., U.S.A.
13. Greenhouse Gases Come From: This figure was prepared by Robert A. Rohde from publicly avialable data and is part of the Global Warming Art project.
19. # 2: Melting Glaciers July 7th, 1909 by Ulysses Sherman Grant, USGS photo library, public domain [2] August 11, 2004 by Bruce F. Molnia, USGS , public domain
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21. #3: Disrupted Ecosystems Belief: The golden toad is now extinct because of loss of habitat caused by global warming US Fish and Wildlife Service