Today, the population is growing at an accelerating pace, having become a global problem. Through t

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Today, the population is growing at an accelerating pace, having become a global problem. Through the ages, the population has been relatively stable. The population began to increase population of usa 2013 noticeably around 800 years BC, when people became more sedentary, farming and animals began to grow. Around the year 1800 around the world have already lived a billion people. Currently living in Germany for almost seven billion people.
A growth in population of over 9 billion by 2050, which offers unprecedented challenges to mankind as a whole. As the enormous accumulation of waste, destruction population of usa 2013 of nature, population of usa 2013 and the creation of new habitats for food and drinking water difficult to obtain.
The main activity of man has always been obtaining food. Since olden times, and there was no knowledge of machines, which today is self-explanatory, the food was served very seriously. Concerning the skills and knowledge develops, and various tools and machinery for the introduction of physical work became easier and increased yields.
All seems to be well, however, the industry grew at the same time develops the air, water and soil pollution. Although the use of chemical fertilizers is increasing crop yields, but the quality of food falls and the earth vaesub. Murettekitavaimateks problems are manmade land gradual population of usa 2013 desertification and soil erosion. All of this is caused by the cultivation of false: fertilizers, poisons, heavy machinery. In terms of soil impoverishment and desertification population of usa 2013 caused by the still widespread deforestation and soil natural entrainment. Desertification population of usa 2013 is a problem in Africa, North - south and central America - Asia. In contrast, Estonia's problem population of usa 2013 is rather sparsely.
The famine in many parts of the world is increasingly no longer news. Malnutrition and hunger is not only a problem in developing countries. UNICEF estimates that can not be in the United States, where malnutrition is highest among the developed countries, 13 million population of usa 2013 children have enough to eat. Also, the Eastern European transition countries, market reforms increased the number of hungry children. Also, every eight SAS Estonia child suffering shortages.
Food availability constraints and hunger are not only population growth, but also many factors, such as droughts, floods, environmental overwhelmed loodusresursside to use and human hoolimatau attitude to nature, poverty, social inequality, corruption, means the unequal distribution of global economic fluctuations, global trade rules , overconsumption, waste, excessive (meat) and so the demand. What will happen next?
40 years after the world's two billion more people. All they want to eat, water and shelter. And demand growth projections are frightening. There is a need for more water, more land, more food, and more mansions. The earth, however, not the rubber. Natural resources are running out, and environmental pollution. Already, there are not enough one billion people in the world has enough food and clean drinking population of usa 2013 water.
Food industry remained extremely rapid growth population of usa 2013 in the period 1950-1984. Compared population of usa 2013 to the above-mentioned period of high growth rates have slowed considerably in the food industry, and are no longer able to keep pace with world population growth.
Modern agricultural production depends on each stage of the food production of oil and fossil fuel derivatives. Petro chemicals used in fertilizers, pesticides and packaging, however, is used as fuel to run the farm equipment and transporting food to markets located far away.
As researchers share the view that the new agricultural and grazing land is not economically viable to make, and in most cases, a short-term effect of the natural environment and destabilizing, it must find other ways to solve the problem. Also, the growth of mechanization and the introduction of new additional fertilizer will not solve the problem, besides, it would cause an ecological disaster sooner or later. Inefficient use of natural resources
Food Crisis in overcoming the lack of water can be greater than the maximum time maapuudus. Groundwater is one of the most important human survival loodusvarasid.Inimene remains alive only a few days without water. Although more than 70 percent of Earth's surface is water, it is suitable for only 2.5 percent of people use. Most of the fresh water is accumulated population of usa 2013 in the poles and Greenland population of usa 2013 ice and the form of snow. Only 0.01% of the total water use in the earth is renewed, but limited water resources must continue to plants and animals. Industry, agriculture and the world's third-mittetõhusalt functioning sewage water polluting the water systems and ground water. Affects the availability of fresh water in the greenhouse effect caused by desertification and tul