Renewable: The World-Changing Power Of Alternative Energy farmyard food digesters

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Detailed step-by-step photos show the various techniques

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Renewable: The World-Changing Power Of Alternative Energy farmyard food digestersScience writer Jeremy Shere shows us in Renewable: The World Changing Power of Alternative Energy that energy is anything but magical. Producing it in fossil fuel form is a dirty, expensive but also hugely profitable enterprise, with enormous but largely hidden costs to the entire planet. The cold, hard fact is that at some point, we will have wrung the planet dry of easily accessible sources of fossil fuel. And when that time comes, humankind will