Every year the human population grows, every decade it grows twice as much. In 2000, the global population was a little over six billion. As of the year 2014, the human population has grown over seven billion people. Although people live in different areas and are somewhat spread out, there are some regions where it is densely populated. A lot of problems can occur just because of overpopulation, for example there could be major environmental changes, a decrease in living space, which could lead to huge amounts of overcrowding. According www.slate.com, “John Beddington, the chief science adviser to the British government, has warned that by 2030 the interlocking trends of climate change, population growth, and resource scarcity may result
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The people who also live there are stripping the grass and trees to their own benefit, but don’t even know what the consequences are, because of their actions. In China, there are many farmers but, there isn’t much space to go around, resulting in farms being squeezed close together. From an article, it says, “The appearance last month of carcasses of rotting hogs in a river that supplies tap water to the eastern Chinese city was a morbid reminder of the pressures facing China's mostly small-scale farmers” (www.reuters.com). From this, it can be seen that the hogs, which were being tossed into the river, are polluting the water. People who get water from that river are also at risk to harmful bacteria that may have developed in the rotting carcasses.
There have also been problems with overcrowding, especially in cities. Overcrowding can also lead to an increase of group rentals in cities. According to China Price Watch:
… Living conditions is these group rentals are typically very low. The group rentals face serious problems and hazards; they are often overcrowded, which lead to bigger problems. Many consider right for the spread of disease and sickness… Since too many people share the apartment the rentals are always unlocked and are susceptible to burglary. The electric