Global Warming : Correcting the Data

Temperature records compiled by the International Panel on Climate Change are biased by non-climatic factors that are largely socioeconomic in origin. The result is that as much as 50 percent of the land-surface warming that has been detected in recent decades may not be the product of global warming. However, those factors are not likely to have an effect on sea-surface temperature measurements, which apply to 70 percent of the surface. Consequently, the overall warming trend should be reduced by about 15 percent