Wildfires, heat waves, droughts, flooding, and more are no longer “natural” disasters exclusively, because humanity has a substantial role in making many of them more extreme. That’s a key takeaway from the latest comprehensive assessment from the world climate-science profession. The assessment -- “Climate Change 2021: The Physical Science Basis,” released in August -- is the first part of a larger report from the United Nations Intergovernmental Panel on Climate Change, or IPCC. It’s likely to shape negotiations during a crucial period in the fight against global warming.
1. What are the report’s key findings?
Humanity has raised global average ...