Once again, the Intergovernmental Panel on Climate Change says the climate of the planet is being radically changed for the worse by humans. Last week, the IPCC has released the Summary for Policymakers portion of Working Group I report on The Physical Science.  White House science adviser John Holdren said it: “represents the most comprehensive and authoritative synthesis of scientific knowledge about global climate change ever generated.”

Climate Science Watch has helpfully summaried some of the media coverage. Link here

Meanwhile, Climate Progress offers 15 things you should know about the report. Link here