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Contemporary Issues Environmental threats Overpopulation Every 20 minutes the world adds another 3500 human lives but loses one or more entire species of animal or plant life - at least 27000 species per year ZGP July 1999 World population growth peaked at about two percent per year in the early 1960s Latest population figures indicate that the rate of growth has slowed to 133 percent annually equivalent to 78 million people a year UNFPA 1999 The highest world population growth rate was 204 percent in the late 1960s This year it is about 131 percent NY Times World population growth is equivalent to around three babies every second UNFPA 99 New inhabitants add the equivalent of a city the size of San Francisco to world population every three day The world population is growing fast and the effects of this are food shortages exhaustion of farm land and soil erosion insufficient power supplies social un-rest and war immense pressure on welfare system and national benefits crime due to lack of space and jobs The world in the future will be able to support less NOT more people this is due to carefully farmed areas losing there top-soil the cause is over farming but the world needs more and not less food so larger fields are required but these large fields allow soil and wind erosion to happen more quickly Fertilisers only speed up this erosion eg America Arizona land is useless and dusty because of the chemicals poisoning the land Also in places such as Egypt where the water supply is irrigated from underground water supplies the water contains mineral salts which will slowly poison the land We can say that overpopulation can effect the police in a dramatic way as the
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