Explore the challenges facing the manure biogas project, including loan delinquencies and environmental concerns.

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 ...

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.

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