Harold Camping caused quite a stir in 2011 with not one, but two predictions of the end of everything we know. While it is doubtful another one of his prophecies will gain much traction again, 2012 is not short of other big theories as to how life on Earth will cease to exist.

Did the Mayans foreshadow our downfall? Will the magnetic poles be the cause of untold calamity?

On December 21st this year, the Mayan Calendar reboots; others have put great stock in the magnetic pole shift; asteroids attacking the Earth; a convergence of environmental, war and famine lead to great upheaval; and the possibilities go on and on.

What do you think? Let us know below. This should be an exciting year!