In September, the Lajinha, east Minas Gerais factory of the Brazilian subsidiary of NetZero, a Paris-based company, is set to begin continuous production of biochar using coffee straw (the outer skin ...

Manure is a reality in raising farm animals. Manure can be a useful fertilizer, returning valued nitrogen, phosphorus, and potassium to the soil for plant growth. But manure has problems. Odor ...

Adding biochar to farmland soils is widely promoted as a climate-friendly practice, but its impact on greenhouse gas emissions can vary. A new study finds that pairing biochar with biogas slurry, a ...

Agricultural soils are one of the world's largest sources of nitrous oxide, a greenhouse gas nearly 300 times more powerful than carbon dioxide over a ...

Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She enjoys gardening, reporting on environmental topics, and spending her time outside ...

Widespread use of biochar as a soil amendment can reduce carbon dioxide, methane and other greenhouse gasses in the atmosphere. Biochar is biomass that has been heated without oxygen. This is called ...

When Beauregard Burgess and three friends decided to start a hog and poultry farm in 2015, they chose an odd location: 20 acres of swampy land on the east side of Homer, Alaska, a coastal hamlet south ...

Manure is a reality in raising farm animals. Manure can be a useful fertilizer, returning valued nitrogen, phosphorus, and potassium to the soil for plant growth. But manure has problems. Odor ...