He says desert encroachment could cause widespread hunger.
他说，沙漠侵蚀可以造成广泛的饥饿。
Overcrowded with people and human destruction has been leading to ecological deterioration in northwestern China, which appears as desert encroachment and lake drying up.
我国西北地区生态环境恶化严重，湖泊缩小或干涸，沙漠化日益严重，主要原因是人满为患、人为破坏。
Overcrowded with people and human destruction has been leading to ecological deterioration in northwestern China, which appears as desert encroachment and lake drying up.
我国西北地区生态环境恶化严重，湖泊缩小或干涸，沙漠化日益严重，主要原因是人满为患、人为破坏。
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