A telltale “hot-spot” warming pattern that greenhouse gases should exhibit in the atmosphere (see fingerprint). This is a key argument in Joanne Nova's Skeptic's Handbook — for example:
1. For a complete elaboration of the skeptic argument, click here to read The Missing Hotspot by David Evans.
2. Click here to read Skeptical Science's counter-argument.
3. Click here to read Real Climate's more elaborate and detailed rebuttal of the claim.