overpopulation is a problem being social interest. The cause of this is because humans have no sense was the explosion of the population: unplanned childbirth. they think children will happily but it did cause the consequences could not foresee such as environmental pollution, food shortages, lack of clean water resources and the lack of accommodations deficient jobs. so , I recommend everyone needs attention to this issue than by making control of the childbirth, family planning implementation
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