There is easy money to be had if someone will show that net global warming (more than would be reasonably expected by random natural variation) is supported by observational evidence: they can win $100,000.<p><a href="http://www.informath.org/Contest1000.htm" rel="nofollow">http://www.informath.org/Contest1000.htm</a><p>Aside from being able to pay off some of the mortgage (if you have one) or enjoy the holiday of a lifetime, isn't this a terrific opportunity to finally wipe the floor with the 'deniers' once and for all?