Guerrilla gardening for survival can be hugely challenging. When you want Mother Nature to grow food for you, these tips can help you succeed.

If you want to grow all your own food, how much land do you need? Here are 6 questions to help you assess, plus 4 strategies to make it work.

Can you heat your home with junk mail? Build this super-efficient rocket mass heater, and you just might!

Learn to use echolocation to help you "see" in the dark -- an incredibly useful skill whether you're in an off-grid situation or in a true emergency.

Can you heat your house with junk mail? Build this super-efficient rocket mass heater, and you just might!