At least 46 people died and dozens more were hurt in a giant landslide at Ethiopia's largest rubbish dump outside Addis Ababa, a tragedy squatters living there blamed on a biogas plant being built ...
German social enterprise B-Energy has developed portable “digester” bags that produce methane gas out of food waste or animal droppings, which can help low-income entrepreneurs in the global South ...
David Kuchta, Ph.D. has 10 years of experience in gardening and has read widely in environmental history and the energy transition. An environmental activist since the 1970s, he is also a historian, ...