(DIR) xkcd - A Webcomic of Romance, Sarcasm, Math and Language.
 (DIR) Floodgap Gopher Fun and Games
        
       xkcd - A Webcomic - Greenhouse Effect (2889)
        
       Image:
 (PNG) greenhouse_effect.png
        
       Once he had the answer, Arrhenius complained to his friends that
       he'd "wasted over a full year" doing tedious calculations by hand
       about "so trifling a matter" as hypothetical CO2 concentrations
       in far-off eras (quoted in Crawford, 1997).
        
       Comics reproduced from www.xkcd.com under license.
 (HTM) xkcd License (WWW)
 (HTM) xkcd Web Site (WWW)
        
       Previous:
 (DIR) xkcd - A Webcomic - US Survey Foot (2888)
       Next:
 (DIR) xkcd - A Webcomic - Relationship Advice (2890)