| http://www.w3.org/ns/prov#value | - Amongst some sceptics, including McIntyre and McKitrick, the contention is that the natural warming that occurred during parts of the MWP was as pronounced as it is today, and that this disproves that the claim, made by climate scientists, that the current level of warming is unprecedented in recent human history (i.e. the last 1500-2000 years or so).
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