Watch - What A Way To Go: Life at the End of Empire then make a plan.
Here are some groups that are organized to help. See Communities page, as well.
David Suziki's organization promotes understanding the predicament we are in.
The Post Carbon Institute has been way out in front of the need for transition.
Transition US is a new player promoted by Post Carbon people. They are under the Transition Town Initiative found here. The Transition LA and Transition Santa Barbara groups are local representatives.
You're gonna need a place to live wherever you Transition. Use Zillow to find it. If you want to build here is a place to find traditional House Plans.