PIXLEY, Calif. (AP) — The stench of cow feces, urine and ammonia forces residents to keep windows and doors closed in parts of California's farming country. Some people constantly run air purifiers at ...

At a massive dairy farm in the San Joaquin Valley, nearly 14,000 Holstein cows crane their necks through feeding stalls and gnaw leisurely on alfalfa. Meanwhile, close to their hooves, a sprinkler ...

The study, published in The Journal of Cleaner Production, describes the new ‘pressurised spinning’ innovation and its potential to create cellulose materials more cheaply and cleanly than some ...

Manure from cows and pigs is a surprisingly large source of greenhouse gases (GHGs) in the United States — over 1% of the country's total emissions. The vast majority (about 80%) of these emissions ...

Cow burps and manure emit the potent planet-warming gas, which over a shorter period is much more powerful than carbon dioxide. In recent decades, digesters that convert manure and other organic waste ...