Climate catastrophe: The median is NOT the message

The latest report from the IPCC is the first to abandon the measured tone of its previous ones and foretell what it considers a climate catastrophe for human civilization unless the world makes an abrupt U-turn and begins dramatic reductions in greenhouse gas emissions almost immediately.

And yet, even this forecast is probably too conservative in its pronouncements.

IPCC Climate Report Release – headlines

•Climate Change 2013: the Physical Science Basis •Carbon Brief’s guide to the IPCC report •Climate Panel Says Upper Limit on Emissions Is Nearing •Is global warming in a hiatus? Not if you measure global heat content •Global warming: why is IPCC report so certain about the influence of humans? •Climate Skeptic Groups Launch Global Anti-Science Campaign •Big business funds effort to discredit climate science, warns UN official