他说，索马里的土地冲突、亚洲的沙尘暴和近几年的粮价危机都源于土地退化，而土地退化是由于人类对土地的过度使用和全球变暖的影响。
Land conflicts in Somalia, dust storms in Asia and the food price crises of recent years all stem from the degradation of land, he said, due to overuse by humans and the impacts of global warming.
中国西北是亚洲中央沙尘暴中心的一部分。沙尘暴开始于沙漠地带。
Northwest China is part of the sandstorm centre in Central Asia. Sandstorms begin in desert areas.
中国西北是亚洲中央沙尘暴中心的一部分。沙尘暴开始于沙漠地带。
Northwest China is part of the sandstorm centre in Central Asia. Sandstorms begin in desert areas.
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