1) IPCC, 2013: Climate Change 2013: The Physical Science Basis, Summary for Policy Makers, Fifth Assessment Report of the Intergovernmental Panel on Climate Change, Page 5, Figure SPM.1, page 6, Figure SPM.2, page 8, http://www.climatechange2013.org/images/report/WG1AR5_SPM_FINAL.pdf
Global climate - Reference list 
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