If you haven't yet started getting yourself fit for the end of this year's Diaspora , now's the time. Start walking, running, something, anything! You'll need strength and determination for what lies ahead, and being out of shape is not only going to hurt you, it'll hurt those around you who have to pick up your slack.
If you don't own a gun, get one, and familiarize yourself with it. Fast.
Learn how to make weapons like the sling and slingshot, the atlatl. Learn how to make a knife.
Learn bushcraft, primitive living, basic Survival from SurvivalTopics.com and its forums . Like, how to make a shelter, how to procure water for drinking and sanitation.
It is imperative that you learn these skills, even if the feces never hits the atmospheric oscillator. You'll know them, and can use them if you get lost, on purpose or accident.