the earth can only produce a limited amount of water and food , which is falling short of the current needs. most of the environmental damage being seen in the last fifty old years is because of the growing number of people on the plant. but it is not enough for human life. moreover, rise in the number of garbage , because there are many people live in the area. last but not least, overpopulation in developing counties puts a major strain on the resources it should be utilizing for development. conflicts over water are becoming a source of tension between countries, which could result in wars. it causes more diseases to spread and make them harder to control it gives rise to unemployment as there are fewer jobs to support large number of people dẫn đến những ngươi sa vào các tệ nạn xã hội ngày càng tăng
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