Something to add to the global warming debate

[AtlCB]

These temperature stations are used to determine the average global temperatures and temperature trends:

http://www.norcalblogs.com/watts/
http://www.surfacestations.org/odd_sites.htm

Many of these thermometers are next to metal or brick buildings, air conditioner exhausts, asphault, concrete, parking lots, airports, jets, barbecues, and even a trash burn bin.