Скачать или смотреть Biodigester at Fat Beet Farm with T.H. Culhane

Of the many ways to help create a more sustainable planet, the author of Drawdown: The Most Comprehensive Plan Ever Proposed to Reverse Global Warming, Paul Hawken, has ranked small methane biodigesters (also known as methane digesters), number 64 of the 80 ways to improve the earth. The beauty about this wonderful invention is that it converts organic leftovers such as food and bodily fluids into methane gas, which ultimately produces electricity.

Brief introduction to the Solar CITIES basement and backyard biodigesters.    • Brief introduction to  the Solar CITIES ba...  

How to make a working mini-biodigester using parts from Home Depot    • How to make a working mini-biodigester usi...