A Danish company’s plans to turn cow manure into renewable energy in Minnesota and Wisconsin’s dairy country have tanked, at least for now. Nature Energy planned to build several large-scale anaerobic ...

Sen. Ken Rozenboom and his family have farmed and raised hogs for decades in south central Iowa. The Rozenbooms, like most livestock operators in Iowa, collect the hog manure in on-site lagoons, pump ...

For the third time in two decades the Environmental Protection Agency appeared in federal Appellate Court this week to defend its admittedly flawed approach to regulating the billions of pounds of ...

Tensions are rising in California’s agricultural heartland over state subsidies for manure-based biogas that are meant to help reduce planet-warming emissions but that environmental groups and locals ...