Earth has lost a third of arable land in past 40 years, scientists say – ‘We are reducing soils to their bare mineral components. We are creating soils that aren’t fit for anything except for holding a plant up.’

Earth has lost a third of arable land in past 40 years, scientists say – ‘We are reducing soils to their bare mineral components. We are creating soils that aren’t fit for anything except for holding a plant up.’