I recently encountered the following chart as part of an argument that CO2 does not affect global temperatures. It instantly raised my suspicions because the temperature data is just too clean--I can't believe that global temperatures is almost always one of two values, 12 degrees or 22 degrees, and that there is no noise in the measurements.
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Note that this chart implies that the current temperature is about 12 degrees Celsius.
Note that this chart implies that the current temperature is about 12 degrees Celsius.