DesScorp writes "Science News reports on a story which blames a centuries long cooling of Europe on the discovery of the new world. Scientists contend that the native depopulation and deforestation had a chilling effect on world-wide climate. 'Trees that filled in this territory pulled billions of tons of carbon dioxide from the atmosphere, diminishing the heat-trapping capacity of the atmosphere and cooling climate, says Richard Nevle, a geochemist at Stanford University.' The story notes that the pandemics in the Americas were possibly an example of human climate manipulation predating the Industrial Revolution, though isotope measurements used during research have much uncertainty, so 'that evidence isn't conclusive.'"
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