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From a scientific perspective the primary defect is that although all the robust and well accepted climate models concur human activity is driving most of the current climate change, these models are complex and unwieldy, relying on vast volumes of data. Reliable temperature records only go back a few centuries, and many of the early records were not from good locations. Even early urban environments impacted local temperature readings.

From a political perspective there are other defects of global warming. Politicians have reasons for adopting policy positions that often are not based on or even informed by the findings of science.

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13y ago

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