在许多地区，化肥与农药的过度使用已经造成土壤营养成分流失、过度酸化，而且污染了河流与湖水。
Overuse of fertilizer and pesticides has in many areas stripped the soil of nutrients or made it too acidic, as well as contributing to river and lake pollution.
由于沿岸的营养流失和过度捕捞，海洋生态系统遭受由于海岸带侵蚀造成的水体营养水平改变，还有过度捕捞，也极大破坏了几乎全球各地的食物网。
Ocean ecosystems are beset by changes in nutrient levels due to run off near the coasts and by overfishing, which plays havoc with food webs nearly everywhere.
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