They may give us an almost endless supply of eggs and nuggets, but industrial chicken farming comes with a tradeoff: it produces a lot of poop. To turn a con into a pro, researchers at Landmark ...

MADISON - New research conducted by environmental groups argues that manure digesters, seen as a solution to pollution from large-scale livestock farms, do more harm than good because of other ways ...

Biogas is increasingly being added to natural gas supplies across the nation to fuel heavy-duty vehicles and heat homes. Most comes from landfills, but a hefty portion comes from the rear end of ...