The Midwest has lost 57 billion metric tons of topsoil over the last 160 years, new study finds
Farmers till their land to prepare soil for planting, but a new study published in the journal “Earth’s Future” found topsoil in the Midwest is eroding on average nearly 2 millimeters per year. A few years ago, Isaac Larsen attended a wedding at a pioneer church in Minnesota. After the ceremony, he wandered around a…