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Desertification
Land degradation in drylands resulting from various factors, including climatic variations and human activities.
Source: MA Glossary
This persistent reduction or loss of the biological or economic productivity of drylands occurs on all continents (except Antarctica) and affects the livelihoods of millions of people, including a large proportion of the poor in drylands.
Source: GreenFacts, based on the GreenFacts Digest on desertification
Español: DesertificaciónFrançais: Désertification