India is planning to set up more than 100 bio-gas plants and provide thousands of framers with machines to dispose of crop stubble in a bid to halt the choking crop-burning pollution that blights the country every winter.
In many communities, residents are asked to separate food waste into bins for municipal composting. Here's a closer look at what actually gets composted and how, what happens to the rest, and where it all ends up.
For decades, small-scale biogas systems have collected methane from landfills, sewage plants, and farms. Now, in Europe and the U.S., the growth of this renewable form of natural gas is taking off as businesses capture large amounts of methane from manure, food waste, and other sources.
Anaerobic digestion describes the process of using microorganisms to break down food and animal waste, generating biogas as a result. Learn how biogas can be used as a renewable source of heat and energy, as well as hurdles hindering broad implementation.