Could you live in a 100 square foot home?  One man who wants to leave a lighter imprint on the Earth has just built a tiny home for $1,500.  The home includes an outdoor kitchen, an energy-efficient refrigeration system and a composting toilet system.

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Anti-food-waste activist Rob Greenfield also plans to grow and forage 100% of his food.  He keeps bees to make his own honey, stores his garden’s harvest and ferments everything he can.  He even uses leaves from his garden as toilet paper.

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So, how does Rob’s lifestyle pay off?  His utility bills are only $100 a year and he has no mortgage!