CHICAGO -- A unique climate change fighting machine is being used to divert thousands of pounds of food waste from landfills, as well as feed people and heat city homes in a clean and sustainable way.

A Salem renewable energy company hopes to build New England’s largest biogas anaerobic digester in Londonderry near the Stonyfield factory, which will help reduce organic waste ending up in landfills ...

Last year, six hog farms in the state were the first to get funding from California’s program to offset its emissions from ...

While biogas has only come into the modern public periphery in the last few decades, it has actually been utilized throughout history. Evidence of the use of biogas goes back to as early as the 10th ...