Six Degrees: Our Future on a Hotter PlanetAn eye opening and vital account of the future of our earth and our civilisation if current rates of global warming persist, by the highly acclaimed author of High Tide. Picture yourself a few decades from now, in a world in which average temperatures are three degrees higher than they are now. On the edge of Greenland, rivers ten times the size of the Amazon are gushing off the ice sheet into the north Atlantic. Displaced victims of North Africa's