99 44/100% Sure

http://stevengoddard.wordpress.com/2011/08/04/99-44100-sure/

Climate scientists are sure that they understand the climate, except for every couple of weeks when they admit that they underestimated the effects of aerosols, solar cycles, Methane, Ozone, clouds, soot, jet contrails, cow farts, ocean currents, ocean salinity …….