An excerpt:
Atmospheric temperature is regulated by the sun, which fluctuates in activity as shown in Figure 3; by the greenhouse effect, largely caused by atmospheric water vapor (H2O); and by other phenomena that are more poorly understood. While major greenhouse gas H2O substantially warms the Earth, minor greenhouse gases such as CO2 have little effect, as shown in Figures 2 and 3 [below]. The 6-fold increase in hydrocarbon use since 1940 has had no noticeable effect on atmospheric temperature or on the trend in glacier length.
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Hat tip: NC Media Watch
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