Terrawatch: the history of dirt

Terrawatch: the history of dirt

The Guardian, 5 April 2015
www.theguardian.com/science/2015/apr/05/terrawatch-soil-earth-origins-life-erosion

Kate Ravilious on the soil to which we owe our existence, relatively new to Earth at a mere 450 million or so years old, and now under increasing threat of eroding away.

READ ARTICLE AT The Guardian