Here's a fascinating website with many possible end-of-the-world scenarios that are explained in a funny, scientific manner that is definitely worth a look. http://www.exitmundi.nl/exitmundi.htm I recommend viewing "nuclear war" for a vivid description of the infamous nuclear winter.
The Mexican protester are going to have a million man dinner of refired beens followed by a night around a large fire that they will all do the shake your booty at and BOOM, it will blast the world to bits. Destroyed by fart!
damn hat my keyboard and my tiredness refired, lol yup they will be all refired boom, lol instead of refried, lol