NewScientist: How to survive the coming century

ALLIGATORS basking off the English coast; a vast Brazilian desert; the mythical lost cities of Saigon, New Orleans, Venice and Mumbai; and 90 per cent of humanity vanished. Welcome to the world warmed by 4 °C.
Clearly this is a vision of the future that no one wants, but it might happen. Full story:

http://www.newscientist.com/article/mg20126971.700-how-to-survive-the-coming-century.html?page=1