Keywords: GCM temp anomalies 3 2000 German.svg Trends of global temperature from observations the United Kingdom ™s Hadley Centre Global Climate Model and the Canadian Climate Center ™s Global Climate Model Trends have been smoothed to remove year-to-year high frequency variations PD-USGov The U S national climate change assessment do the climate models project a useful picture of regional climate Testimony of Thomas R Karl http //frwebgate access gpo gov/cgi-bin/getdoc cgi dbname 107_house_hearings docid f 81495 pdf online pdf page 27 2006-10 David W CC-by-sa Image GCM_temp_anomalies_3_2000 jpg cc-by-sa-2 5 Check categories 2009 February 11 de wikipedia Globale_Erwärmung de wikipedia Kontroverse_um_die_globale_Erwärmung de wikipedia Klimamodell 2 Global warming graphs |