Past and Present Warming – A Temporal Resolution Issue

By Renee Hannon Christian Freuer has translated this post into German here. This post examines how present global surface temperatures compare to the past 12,000 years during the Holocene interglacial. The AR6 IPCC climate assessment report, Climate Change 2021: The Physical Science Basis, by Working Group 1 states in their Summary for Policymakers section A.2.2: “GlobalContinue reading “Past and Present Warming – A Temporal Resolution Issue”

The Yin and Yang of Holocene Polar Regions

Guest post by Renee Hannon Introduction The Arctic and Antarctic regions are different and yet similar in many ways. The Arctic has ocean surrounded by land and the Antarctic is a continent surrounded by water. Both are cold, glaciated and located at Earth’s poles some 11,000 miles apart. While sea ice has been retreating inContinue reading “The Yin and Yang of Holocene Polar Regions”

A Review of Temperature Reconstructions

Review of temperature reconstructions for the past 4000 years