Desertification - a global problem »
Posted By mahasharakhram 7 months, 3 weeks ago in Science & TechnologyMore than 250 million people in 110 countries are directly affected by desertification, while more than 1 billion people are threatened by it. Desertification is caused by a number of land-degradation processes including erosion, salinization, vegetation degradation, and organic matter loss.
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