«You have scenarios assuming very strong decisions, very quick and sharp reduction of greenhouse gases, and you have other scenarios with business as usual, where you end up with
predictions of additional warming of 5, 6 degrees, maybe even more.
Prior to the
additional 50 %
of total metric tonnes
of CO2 emissions being added to the world's biosphere, global
warming change easily matched or exceeded that experienced since 1988 - the year
of NASA's James Hansen's
predictions of climate apocalypse from human CO2.