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08.18.2021

AR6 and The Paleocene-Eocene Thermal Maximum

By Andy May

The PETM or Paleocene-Eocene Thermal Maximum was a warm period that began between 56.3 and 55.9 Ma (million years ago). The IPCC AR6 report (actually a draft, not a final edited report), released to the public on August 9, 2021, suggests that this warm period is similar to what is happening today and they expect to happen in the future (IPCC, 2021, pp. 2-82 & 5-14). During the PETM, it was very warm and average global surface temperatures probably peaked between 25.5°C and 26°C briefly, compared to a global surface temperature average of about 14.5°C today, as shown in Figure 1.

This article appeared on the Watts Up With That? website at https://wattsupwiththat.com/2021/08/18/ar6-and-the-paleocene-eocene-thermal-maximum/

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