The planet’s degraded land area – over-estimated?

The total amount of ‘degraded’ land on the planet is debatable, but it may well have been grossly overestimated

“Global estimates of total degraded area vary from less than 1 billion ha to over 6 billion ha, with equally wide disagreement in their spatial distribution. The risk of overestimating the availability and productive potential of these areas is severe…”

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