If you're going to do it, do it right

Aren't you tired of endless Doomsday scenarios voiced by environmentalists, Christian fundamentalists, anti nuclear campaigners, evil villains threatening and others an end to the world unless some outlandish demand of theirs is met (sign the Kyoto Protocol/ban Gay marriages/ban nuclear weapons/give me $1,000,000,000,000). Well, if you really wan't to do it, this informative site will help you get your basics right.

PS: And if you're into the whole geocide thing, you mioght also want to consult this excellent list.