How long have we got? We have to stabilize emissions of carbon dioxide within a decade, or temperatures will warm by more than one degree... We don't have much time left.
James HansenThe climate is nearing tipping points. Changes are beginning to appear and there is a potential for explosive changes, effects that would be irreversible, if we do not rapidly slow fossil-fuel emissions over the next few decades.
James HansenThe climate system is being pushed hard enough that change will become obvious to the man in the street in the next decade.
James HansenI've tried to be a straight scientist doing the science and reporting it as best I can.
James Hansen