Only 60 Years of Farming Left If Soil Degradation Continues

Generating three centimeters of topsoil takes 1,000 years, and if current rates of degradation continue all of the world’s topsoil could be gone within 60 years, a senior UN official said…

https://www.scientificamerican.com/article/only-60-years-of-farming-left-if-soil-degradation-continues/