BartSimpson BartSimpson:
Then according to that logic global warming started back in 1906 when Amundson first sailed the passage.
Had to be a hell of a lot earlier then that.
The Chinese have maps that show passable water, north of North America, dating back to the 1400's and earlier, if their map lore is even partially accurate.
Granted, the more I look into global warming, the less I want to stop it. In the long run, if humanity survives the initial shock, we will have a much more 'human friendly' planet if temps do go up a couple degrees.