Biogas is a mixture of gases formed anywhere organic material decomposes in the absence of oxygen, such as underwater, deep in a landfill, bubbling out of municipal solid waste, or in the guts of ...

Biogas and anaerobic digestion made number one in HowStuffWorks' list of wacky alternative energy, and poop-to-energy biogas projects have proven popular on Discovery News too. From biogas in Haitian ...

Nearly half of Rwandans live in poverty, relying on small-scale farming for survival and without gas or electricity. With so many people spending hours foraging for wood for cooking and light, often ...