Big dairy farms are profiting from California's tougher limits on greenhouse emissions. They're getting paid to capture methane from cow manure. But critics say the system subsidizes polluters.

But the nearly 200,000 gallons of manure the dairy cows produce each day feed three anaerobic digesters that capture methane — a potent greenhouse gas — from the manure and turn the gas into ...

Sealing manure ponds at a Central Valley farm led to a significant reduction in emissions. A large, balloon-like tarp covers a manure lagoon on a Central Valley dairy farm, marking a quiet but ...

The dairy manure is converted to syngas (energy-rich gas) and biochar by gasifying the manure in an on-site reactor at temperatures of nearly 1,000 degrees Fahrenheit.

1. To begin, for those who may be unaware of U.S. dairy’s sustainability efforts, what should they know about your work to-date? In 2008, the U.S. dairy industry was the first in the food ...

To reach Bob Lewis to have separated dairy manure delivered, call him at Smith Brothers and leave a message at 800-273-0587 206-682-7633 or go to www.smithbrothersfarms.com. You also may reach him ...

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 ...

Dairy manure is a natural crop fertilizer, and Texas A&M AgriLife scientists believe they have discovered a way to make sure that the valuable resource stays on crops where it is applied as a ...

The health of the Red River to Lake Winnipeg in Canada is a key concern for North Dakota residents who have taken issue with two proposed large-scale dairies in the Red River Valley. The worry has led ...

Dairy farms with over 200 cows are now required to have approved nutrient management plans. Shelburne Farms is not the only Vermont institution looking into biochar for manure management.

GRANDVIEW, Wash. - The state has fined a Lower Valley dairy for applying manure to an empty field without crops that would otherwise absorb the nitrates and prevent them from ...

GRANGER, Wash. — Work is reportedly underway at a Lower Valley dairy to ensure cow manure stored in ponds doesn’t seep into groundwater. The Cow Palace Dairy north of Granger began last week ...