Methane gas contributes to the warming of the planet 34 times more than carbon dioxide, making it a very dangerous gas. Organic waste, if not dealt with carefully, emits methane gas as it decomposes. In order to regulate this production of methane, sealed tanks called methane or anaerobic digesters have been created to trap the methane released which can be used as energy in the form of biogas. The solids left over from this process are good sources of fertilizer as it is extremely nutrient rich. The use of biogas reduces the demand for wood and coal as sources of fuel, limiting their harmful impact on the planet and human health, leading Project Drawdown to rank methane digesters as the 30th best solution for reducing greenhouse gas emissions.
The following stories (see below) discuss how communities around the world are currently utilizing biogas to not only provide for their energy needs but also improve their local economies. One project, ISABEL, is striving to bring biogas to Europe by creating strong community involvement where biogas stations are implemented. Another helps a school in Rwanda provide food for their students, using one-third the amount of resources as before and less money spent on fuel, through the use biogas created from the school's bathrooms. One entire city completely turned themselves around and is now seen as the cleanest city in India, the use of biogas as alternative fuel improving the quality of life for the people living their and their economy through tourism. The last article explains how hog farms in the US are helping Duke University reach its goal of zero emissions by turning pig waste into green energy.
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