Monday, October 10, 2011

Elephant-poo power electrifies zoo

At Munich Zoo you can watch the courtship rituals of the banded mongoose, hear the morning song of the scarlet ibis or visit the Indian elephants, who help help keep the lights on with electricity generated from their dung. They can do this because Munich Zoo has harnessed "poo power," energy stored in animal waste, which can be converted into a fuel known as "biogas."

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