Today December 5th is the World Soil Day, established by FAO – the UN food agency – in 2014. The theme of this 2021 edition is “Halt soil salinization, boost soil productivity“. For years, FAO has been fighting for soil to be recognized as an essential resource: it generates over 95% of the food we eat, a percentage that makes it essential for the survival of humanity. The UN food agency has indicated eleven guidelines…