Slide 2 in this series.
ClimateGate was a key event in revealing what some of the leaders of the AGW movement were thinking, and how they saw data manipulation and suppression of skeptics as advisable given the divergence of AGW predictions with reality.
NEXT: No better example exists as to the fraud in analysis then the Hockey Stick created and driven by Michael Mann.
This section on data fraud offers mulitple cases and angles on the general topic. It is however not exhaustive.
USHCN Monthly Temp Adjustments
The list can expand each week given the claims of AGW and their intent.