Biogas digesters for industrial agriculture in China
Tuesday, August 3rd, 2010While researching meat consumption and production in China last month, I visited two farms that have installed large-scale biogas digesters. These intriguing, bulbous contraptions capture animal waste, prevent pollution, make use of a renewable source of energy (methane), and transform the icky stuff into a rich fertilizer for crops. Biogas digestion has not been widely [...]

