"> Generating three centimeters of top soil takes 1,000 years, and if current rates of degradation continue all of the world's top soil could be gone within 60 years, a senior UN official said on Friday. https://www.scientificamerican.com/article/only-60-years-of-...

Ridiculous claim made by "UN official". Sad state of modern journalism. Are we 6 cm away from discovering Roman artifacts in any of the fields across Europe? Or we have to dig a bit deeper?