There is now good evidence that our present interglacial period has experienced some climate shifts that have affected the course of history in different ways. New studies indicate that these climate shifts were mostly regional rather than global and less severe than previously thought. Aside from a sudden cooling 8,200 years ago and short-lived cooling events caused by very large volcanic eruptions, the current global warming represents the most radical global climate shift in probably the last 1,800 years and definitely in the past 400 years.
KeywordsGlobal Warming Climate Shift Maunder Minimum Medieval Warm Period Stratospheric Aerosol
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