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我国古代的黄土高原曾经是美丽富饶的地方,商朝时黄河流域的森林覆盖率曾高达50%以上。但是,经过几千年来掠夺式的开发,大自然给予了无情的报复。现在,黄土高原的水土流失地区到处是荒山秃岭、沟壑纵横,黄河——中华民族的“母亲河”竟成了世界上泥沙含量最多的河流。近几十年来,随着人口的急剧增长和经济的高速发展,人类活动对环境的影响也日益增强,诸如大气污染、水资源短缺、沙层暴、酸雨、温室效应、臭氧层的破坏……,使人
The ancient Loess Plateau in China was once a beautiful and rich place. During the Shang dynasty, the forest coverage in the Yellow River basin was as high as 50% or more. However, after several thousand years of predatory exploitation, nature has given a merciless retaliation. At present, the areas of soil erosion in the Loess Plateau are full of barren hills and ravines, and the Yellow River - the mother river of the Chinese nation has become the river with the most sediment content in the world. In recent decades, with the rapid population growth and the rapid economic development, the environmental impact of human activities has also been on the rise. Such as air pollution, water shortage, sand storms, acid rain, greenhouse effect, the destruction of the ozone layer, Make people