"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...