(August 9, 2021, Tokyo) Today, the Intergovernmental Panel on Climate Change (IPCC), the United Nations body for assessing the science related to climate change, released the Summary for Policymakers (SPM) of the Sixth Assessment Report (AR6) <Working Group I>. I would like to express my sincere gratitude and respect for the efforts of the ten authors recommended by Japan and selected by IPCC and the many other experts who worked on this report. This report contains a number of conclusive findings, including three key findings. (1) First, while the previous report illustrated that there is at least 95% certainty that human activities are the main cause of global warming since the mid-20th century, AR6 c...