New York Times 1992 – MWP And LIA Were Global

In 1992, the New York Times said there was no indication of global warming and that the MWP and LIA were global.

Warming? Tree Rings Say Not Yet

Lisa J. Graumlich, who examines the ring patterns of foxtail pine trees and western junipers in the Sierra Nevada, has compiled a detailed record of the year-to-year variation in temperature and precipitation over the last thousand years.

She has seen in the North American trees the feathery but unmistakable signatures of the Medieval Warm Period, a era from 1100 to 1375 A.D. when, according to European writers of the time and other sources, the climate was so balmy that wine grapes flourished in Britain and the Vikings farmed the now-frozen expanse of Greenland; and the Little Ice Age, a stretch of abnormally frigid weather lasting roughly from 1450 to 1850. A Crucial Question

“We can now see that these were global climate phenomena, not regional temperature variations,” she said. “The question is, how did we get those warmer temperatures during pre-industrial times, and what can we learn from those conditions about what is going on today?”

In Unexpected Places, Clues to Ancient and Future Climate; Warming? Tree Rings Say Not Yet – The New York Times

This was consistent with the 1990 IPCC Report.

ipcc_far_wg_I_chapter_07.pdf

About Tony Heller

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