1Siegenthaler, U. and J. L. Sarmiento. 1993. Atmospheric carbon dioxide and the ocean. Nature 365:119-125.

  2Pidwirny, M. 2006. The carbon cycle. In Fundamentals of Physical Geography, 2nd Edition. http://www.physicalgeography.net/fundamentals/9r.html. 

  3Intergovernmental Oceanographic Commission of UNESCO, International Geosphere-Biosphere Programme, Marine Environment Laboratories (MEL) of the International Atomic Energy Agency, Scientific Committee on Oceanic Research. 2009. A summary for policymakers from the second symposium on the ocean in a high-CO2 world. http://www.ocean-acidification.net/OAdocs/SPM-lorezv2.pdf.

  4ScienceDaily. 2007. Carbon dioxide emissions from power plants rated worldwide.  http://www.sciencedaily.com/releases/2007/11/071114163448.htm. 

  5Adam, D. 2010. Arctic permafrost leaking methane at record levels, figures show. Guardian 24Jan http://www.guardian.co.uk/environment/2010/jan/14/arctic-permafrost-methane.

  6Bryn, B. 2010. Science: methane gas release from Arctic permafrost is far larger than expected. American Association for the Advancement of Science 4Mar  http://www.aaas.org/news/releases/2010/0304sp_methane_intro.shtml.

  7Revkin, A. C. 2010. The heat over bubbling Arctic methane. New York Times 5Mar http://dotearth.blogs.nytimes.com/2010/03/05/the-heat-over-bubbling-arctic-methane/.

  8Monbiot, G. 2010. The unpersuadables. Monbiot.com 8 Mar http://www.monbiot.com/archives/2010/03/08/the-unpersuadables/.  

  9Australian Medical Association. 2008. Climate Change and Human Health – 2004; Revised 2008. http://www.ama.com.au/node/4442.

10American Chemistry Society Position Statement. 2007-2010. Global Climate change: summary. http://portal.acs.org/portal/acs/corg/content?_nfpb=true&_pageLabel=PP_SUPERARTICLE&node_id=1907&use_sec=false&sec_url_var=region1.

11Gulledge, J. 2010. Letters to the Editor. 1 Mar WashingtonPost.com http://www.washingtonpost.com/wp-dyn/content/article/2010/02/28/AR2010022803432.html 

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