The Intergovernmental Panel on Climate Change (“IPCC”) issued its Sixth Assessment Report (“AR6”) on March 19, 2023 summarizing the findings of various studies of the impacts of climate change. “This Synthesis Report (SYR) of the IPCC Sixth Assessment Report (AR6) summarizes the state of knowledge of climate change, its widespread impacts and risks, and climate change mitigation and adaptation.”
The Report notes that global surface temperatures between 2011- 2020 were on average 1.09 degrees Celsius higher than the period of 1850 -1900. With the temperature over land averaging about half a degree Celsius more than over oceans. The “likely” amount of the increase due to human activity represented by Greenhouse Gases (“GHGs”) and aerosols is 1.07 degrees Celsius.
Some of the findings,noted in the Report follow, with notations as to the level of confidence in the accuracy of the conclusions: