Climate policies saved the world from catastrophic warming, say leading climate scientists. On September 1, a consortium that produces analyses for the UN Intergovernmental Panel on Climate Change (IPCC) released new scenarios. They say the new worst-case scenario is just 3.3 degrees Celsius of warming by 2100 over pre-industrial temperatures. That’s down from 4.6 to 4.9 degrees of the last three generations of climate scenarios used by the IPCC. “Our business-as-usual projection of 3C of war...

"The 8.5 scenario originated in the year 2000. But the Business-As-Usual scenario in the first IPCC report in 1990 was equally extreme. As a reviewer of the first IPCC report, Jesse [Ausubel] critiqued the BAU scenario as “Brezhnevite” but his review was totally ignored." From his review: "In a peculiar choice of words, the Intergovernmental Panel on Climate Change in 1990 designated as 'Business-as-Usual' its scenario which stifled and even reversed the 130-year trend. 'Business as Usual' wa...

After years of apocalyptic climate alarmism, …. ‘The worst-case scenarios that guide the work of climate scientists and feed into the major reports of the Intergovernmental Panel on Climate Change have been dramatically, quietly and officially revised down’: https://t.co/KazxIWq624