http://arctic.atmos.uiuc.edu/cryosphere/
Antarktis Mars 1980. Isens utbredning 3,5 miljoner kvadratkm. Den rosa linjen visar medianen för utbredningen under åren 1979-2009 http://nsidc.org/cgi-bin/bist/bist.pl?annot=1&legend=1&scale=100&tab_cols=2&tab_rows=2&config=seaice_index&submit=Refresh&mo0=03&hemis0=S&img0=extn&mo1=03&hemis1=S&img1=conc&year0=2009&year1=1980&.cgifields=no_panel&referal=globalwarminghoax.com
Antarktis Mars 2009. Isens utbredning 5 miljoner kvadratkm. Den rosa linjen visar medianen för utbredningen under åren 1979-2009 http://nsidc.org/cgi-bin/bist/bist.pl?annot=1&legend=1&scale=100&tab_cols=2&tab_rows=2&config=seaice_index&submit=Refresh&mo0=03&hemis0=S&img0=extn&mo1=03&hemis1=S&img1=conc&year0=2009&year1=1980&.cgifields=no_panel&referal=globalwarminghoax.com
HadCRUT3 temperature data from the Climatic Research Unit (CRU) (http://www.cru.uea.ac.uk/cru/bground/)
Sea ice extent in the Arctic Ocean The latest value : 13,538,125 km2 (April 20, 2009) http://www.ijis.iarc.uaf.edu/en/home/seaice_extent.htm 2009-04-21
Havsisen breder ut sig runt Antarktis Källa: National Snow and Ice Data Center (NSIDC). http://nsidc.org/data/seaice_index/index.html
http://sv.wikipedia.org/wiki/Fil:Watercycleswedishhigh.jpg
http://nsidc.org/data/seaice_index/s_plot_daily.html
http://sealevel.colorado.edu/, 2009-11-13
