To Realize Land’s True Value, We Need to Invest In It Wisely

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Authors: Lulu Zhang and Kai Schwärzel | Published: June 19, 2018

It takes 200-400 years to form one centimeter of soil, while the estimated rate of soil erosion is 100 times greater than soil formation. Where erosion is prevalent, the rate of soil loss reaches 4 mm per year (FAO 2015); 70% of drylands suffer from land degradation in varying degrees (Gibbs and Salmon 2015). While global population grows rapidly, land is finite in quantity.

With an annual financial loss of US$400 billion due to soil erosion from arable lands, as estimated by the FAO-led Global Soil Partnership, investing in sustainable land management and practices such as restoring degraded land can recover soil health and enhance soil functions and land productivity to provide critical ecological and economic benefits for human needs. Goal 15 of the UN Sustainable Development Goals (SDGs) explicitly outlines the international community’s resolve to halt and reverse land degradation.

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