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POPSGeologic Evidence of the Cause of Global Warming and Cooling The warming over the past 50 years is hardly even noticeable on the 15,000 year graph above. Compare the peaks about every 800-1000 years for the past 10,000 years (since the last full ice age), all are much warmer than what we're experiencing now. In fact the last 1,000 years has been unusually cool for this interglacial period, just looking at the graph it certainly looks like we've been over due for warming (or if our interglacial period is over another full ice age which would be much worse).
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POPSPerito Moreno Glacier in Argentina There is a news report quoting one of the most important experts in the glacier that has the following headline: "The Perito Moreno rupture is not consequence of greenhouse effect: "Ricardo Villalba, director of the Argentinean Institute of Glaciology, Snow and Enviromental Sciences (Ianigla) tells Los Andes newspaper that the position of the ice and the tides can be blamed for this unusual breakup in the winter."
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