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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: i-node who wrote (838081)	2/21/2015 1:23:27 PM
From: FJB	1 Recommendation Recommended By Brumar89 Read Replies (2) \| Respond to of 1579860

If glaciers are retreating to reveal trees, it has been warmer in the recent past before the trees were covered by a glacier. QED

To: i-node who wrote (838081)	2/21/2015 1:56:14 PM
From: Wharf Rat	Read Replies (1) \| Respond to of 1579860

"how one concludes it is the hottest in 100,000 years?" One looks at the 100K year records, such as Figure 1. Average Yearly Temperatures in Greenland over the past 100,000 Years as inferred from Oxygen isotope analysis of the GISP2 Greenland ice core. Source: Cuffey, K.M., and G.D. Clow, "Temperature, accumulation, and ice sheet elevation in central Greenland throughout the last deglacial transition", Journal of Geophysical Research, 102, 383-396, 1997.