Description of The Medieval Warm Period and Little Ice Age in IPCC Reports

The description of the Medieval Warm Period and Little Ice Age in IPCC reports has changed since the first report in 1990 as scientific understanding of the temperature record of the past 1000 years has improved. The Medieval Warm Period (MWP) and Little Ice Age (LIA) are the best-known temperature fluctuations in the last millennium.

Critics of the "hockey stick graph" of later reports have claimed that the record of the MWP and LIA were suppressed in the IPCC Third Assessment Report, although every report has discussed the phenomena.

Read more about Description Of The Medieval Warm Period And Little Ice Age In IPCC Reports:  1990 Report (FAR), 1992 Supplement, 1995 Report (SAR), 2001 Report (TAR), 2007 Report (AR4)

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