A man who fears the eruption of the Yellowstone super volcano; a couple who have built their own aquaponic systems; a successful inventor has turned his estate into a technological fortress.
A single dirty bomb could cause mass chaos. Tom Perez is prepping for a terrorist attack. He has not worked in 12 years because he spends most of his day prepping and spends much of his family's yearly income on preparations.
A man who fears environmental destruction from a massive earthquake; global financial crisis; cultivating alternative food sources; fear of a terrorist attack.