inignoct wrote: ] ] When the Gulf Stream abruptly turned off about 12,700 ] ] years ago, it brought about a 1,300-year cold period, ] ] known as the Younger Dryas. This froze Britain in ] ] continuous permafrost, drove summer temperatures down to ] ] 10C and winter ones to -20C, and brought icebergs as far ] ] south as Portugal. Europe could not sustain anything like ] ] its present population. Droughts struck across the globe, ] ] including in Asia, Africa and the American west, as the ] ] disruption of the Gulf Stream affected currents ] ] worldwide. ] ] ] ] ] ] Some scientists say that this is the "worst-case ] ] scenario" and that the cooling may be less dramatic, with ] ] the world's climate "flickering" between colder and ] ] warmer states for several decades. But they add that, in ] ] practice, this would be almost as catastrophic for ] ] agriculture and civilisation. ] ] awesome. remind me to buy a few more bottles of scotch before ] scotland freezes solid... so i can have a nice drink when the ] entire global ecosystem freaks out. bottoms up! so which is it, global warming, or global cooling...they need to make up their minds so I know which sort of clothes to buy... --Abaddon RE: Britain is likely to be plunged into an ice age |