Biosphere Home Farming - Edibles like vegetables and fish in one common space, and resources like algae to sustain it. System depends on kitchen trash, the compost nourishes the farm while the methane digester, which the system is equipped with, produces the much desired heat and gas to power lights. The algae produce hydrogen which can be used as a fuel for fuel-cell systems or to produce more electricity. Plants produce oxygen, fed into the fish tank. A complete system for any home!