Notes
1. Walsh, Margaret; Peter Baklund, Anthony Janetos, David Schimel. Effects of Climate Change on Agriculture, land resources, water sources and biodiversity in U.S. 2008. pp. 121 -151.
2. Gerhard, Lee C. Geological Perspetives of Global Climate Change. The American Association of Petroleum Geologists. 2002. Tulsa Ok. Pp. 2 - 7.
3. Fagan, Brian. The Journey from Eden: The Peopling of Our World. Thames and Hudson Inc. New York. 1990. pp. 141 - 150.
4. Fagan, Brian. The Long Summer: How Climate Changed Civilization. Basic Books. New York. 2004. p. 123
5. Caran S, Christopher, James A. Neely, Barbara M. Winsborough, and Francisca Ramirez Sorensen. A Late Paleo-Indian / Early Archaic Water Well in Mexico - Possible Oldest Water Management Feature in the New World in Geoarchaeology. 1996. pp 68-72.
6. Lemonick, Michael D. Beyond the Tipping Point. Scientific American Special Issue. 2008. pp.32-35.
7. Toby Evans, Susan. Ancient Mexico & Central America: Archaeology and
8. Culture History. Thames and Hudson Ltd. London. 2004. pp. 161 - 176
9. Storey, Rebecca. Personal Communication. 1996.
10. Diamond, Jared. Collapse: How Societies Choose to Fail or Succeed. Viking Press. 2005. pp. 166.
11. Storey, Rebecca. Personal Communication. 1996.
12. Ramirez Sorensen, Francisca. A Historical Reconstruction of Zapotitlan Salinas from the Post ClassicThrough the 16th Century. Unpublished Thesis. 1996.
13. Ibid.
14. Fagan, Brian. The Little Ice Age: How Climate Made History 1300 - 1850. Basic Books. New York. 2000. pp.78 93
15. Gimpel, Jean. Medieval Machines: The Industrial Revolution of the Middle Ages. Holt, Reihart, and Winston. New York. 1976.
16. Banta, R.M./ C.J.Senff, J. Nielsen-Gammon, L.S. Darby, T.B. Ryerson, R.J. Alvarez, S.P. Sandberg, E.J. Williams, and M. Trainer. A Bad Air Day in Houston. American Meteorological Society. BAMS. Boulder, Col. May 2005
17. Ibid. pp. 662 664
18. Union of Concerned Scientists, Citizens and Scientists for Environmental Solutions. 2009. www.ucsusa.org/gulf-3-eco-econ.ppt
19. Trans-Texas Water Program. Desalination Strategy. Orange Texas. 2007. pp. 11- 16www.sra.dst.tx.us./srwmp/ttwp
20. Johansen, Bruce E. Global Warming in the 21st Century. Vol 3: Prospective Climate Changes along the Gulf of Mexico Coast. Praeger Publishers. Westport. Ct. 2006. pp.163
21. Sexton, Ken, Stephen H. Linder, Dritana Marko, Heidi Bethel, and Phillip J. Lupo.
22. Comaprative Assessment of Air Pollution - Related Health Risks in Houston. Environmental Health Perspectives Vol. 115. National Institute of Environmental Health Sciences. October. 2007.
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