Desertification is one of the most important environmental challenges facing the world today, however it is arguably the most under-reported. Desertification is the gradual transformation of arable and habitable land into desert, usually caused by climate change and/or the improper use of land. Each year, desertification and drought account for US$42 billion loss in food productivity worldwide.
In China, nearly 20% of land area is desert. As a result of a combination of poor farming...
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