Manure in waste lagoons decomposes into methane, a major greenhouse gas. The Varcor system from Sedron Technologies recycles biosolids into carbon-negative ammonia and dry fertilizer.

Using manure as a natural fertilizer also keeps carbon in the soil and out of the atmosphere, where it can form carbon dioxide (CO 2), a greenhouse gas (GHG). This is critical, as agriculture ...

Agitating the manure lagoon on Jon Greenwood's northern New York dairy farm. Big dairy farms are using manure for energy, fertilizer and cow bedding, but environmental groups say concentrated ...

Sealing manure ponds at a Central Valley farm led to a significant reduction in emissions. A large, balloon-like tarp covers ...

An $80 million facility that transforms manure from about 20,000 cows into clean water and organic fertilizer is now operating in Northwest Indiana. Sedron Technologies, based in Sedro-Woolley ...

This natural cycle uses cow manure to produce organic fertilizer amendments used to grow healthy feed crops. Dairy farmers feed those crops to cows, whose manure is recycled to grow more crops.

MONROE — Cow manure may soon power as many as 675 homes thanks to a new partnership between the Snohomish County Public Utility District, Tulalip Tribes and Werkhoven Dairy.