Skip to main content

Sustainability and Future

The Soil Bank

Topsoil is civilisation's most critical non-renewable resource — taking 200 to 1,000 years to form per centimetre and eroding at 10 to 100 times that rate under industrial agriculture. The Soil Capital Depletion Rate quantifies how fast we are spending this inheritance, and why the arithmetic threatens food security on a timescale that planning institutions consistently ignore.