For ages, cow’s excreta traditionally have been used as manure in the fields, but they are also a source of viable energy- bio gas, which can reduce greenhouse emissions, significantly.
Move over Wind and Solar Energy, Cow dung is here to stay!

Move over Wind and Solar Energy, Cow dung is here to stay!
(via www.ecofriend.org)
Submitted by anjolly on Fri, 2007-09-21 07:36.
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