The Synthesis Report of the IPCC Sixth Assessment Report (AR6) has recently been released including a detailed 36-page Summary for Policymakers. Section A summarizes what is known of the observed warming, its causes and impacts. However just three short quantitative sentences allow readers to determine that there are only about 10 and 20 years to go before we reach warming[Read More…]

The Intergovernmental Panel on Climate Change (IPCC) has released a very large, detailed and important document “Climate Change 2021. The physical science  basis” that is prefaced by a detailed Summary for Policymakers (SPM) . Set out below for the benefit of busy readers is a summary and critique of this summary. In short, the SPM superbly sets out the science[Read More…]

 The new Intergovernmental Panel on Climate Change (IPCC) report released on August 9, 2021—the first of four that make up the IPCC’s Sixth Assessment report—reiterates in scientific language (it deals with the physical science basis of global warming) what we have already known for quite some time from scores of previous studies: humanity faces a climate emergency, global warming is[Read More…]

Experts weigh in on how to change the systems and behaviors leading us to catastrophe. One of the best-known features of the Amazon rainforest is that it is, well, wet. But increasingly researchers are wondering how much longer that will be true. About three decades ago, disquieting research began suggesting that the twin effects of deforestation and climate change could cause the[Read More…]

The latest report issued by the Intergovernmental Panel on Climate Change (IPCC) Monday morning goes beyond all previous global scientific documents to definitively link human industrial and agricultural activity to climate change, and to link climate change to specific weather events like recent droughts, heat waves, storms and flooding. Some 234 scientists summarized the results of more than 14,000 separate[Read More…]