The causes of environmental problems, there are many, but there are 2 major reasons:1. the increase of the population (Population Growth) average population all over the world, much more likely, even though the family planning campaign works. But the increase of the population is still growing as the exponential x (Exponential Growth), which is an increase in the rate of multiple. When more and more people demand more resource consumption in all areas, whether it's food, energy, housing, etc.From the predictions of world population, which increased rapidly (see information in the picture 4-1)Make demand factors to add a life according to the expected problems coming up fast, inevitable, such as housing problems. Apparel, food, medications and other welfare career, etc., this phenomenon is even more interesting, there are anxieties that the country's population. The trend is increasing, so very high, it is necessary to find a way to reduce tensions before they reach. Crisis in the future.
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