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Trees Caused Little Ice Age?


Smoky the Bear’s head must be spinning. From today’s Science Daily:

Stanford University researchers have conducted a comprehensive analysis of data detailing the amount of charcoal contained in soils and lake sediments at the sites of both pre-Columbian population centers in the Americas and in sparsely populated surrounding regions. They concluded that reforestation of agricultural lands—abandoned as the population collapsed—pulled so much carbon out of the atmosphere that it helped trigger a period of global cooling, at its most intense from approximately 1500 to 1750, known as the Little Ice Age.

The trees didn’t mind the cold because they were wearing fir. Anyway, the whole enchilada is here.


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