A fascinating insight into the importance of soil in all our lives comes from the Office International du Coin de Terre et des Jardin Familiaux.
It takes 300 to 1,000 years to produce one inch of soil and more than 90 percent of global food production depends directly on the soil.
You can download the full booklet in PDF format from the Office International du Coin de Terre et des Jardin Familiaux.