George Washington’s winters

by Judith Curry

Frozen rivers, knee-deep snows, sleet, frigid temperatures, and other winter miseries helped shape the story of George Washington’s life.

Source: George Washington’s winters

So my question is this. Why are we defining ‘dangerous climate change’ with respect to the climate of the 18th century, which was the coldest period in the last millennia, with wicked winters? Why not use a reference point of 2000 or 1970? The IPCC doesn’t provide a convincing explanation for the overall warming between 1750 and 1950; according to climate models, human causes contributed only a very small amount to the global warming to during this period (so presumably this overall warming was caused by natural climate variability). Co-opting the period between 1750 and 1950 into the AGW argument muddies the scientific and the policy waters.

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