A new mathematical model developed by experts from the University of Madrid (UAM) and the CEU-San P

A new mathematical model developed by experts from the University of Madrid (UAM) and the CEU-San Pablo University based on trends recorded between 1900 and 2010, and it seems to coincide with the lower estimates of the United Nations. The table of the UN predict that the number zero based budgeting of people on Earth in 2100 could range between 6.2 billion in the variant of the lowest birth rate and 15.8 billion in the case of the highest demographic growth. zero based budgeting In his model, the Spanish team used equations that are used in sciences such as physics concentrated ingredients. The country is in it conceived as a closed system in which the final migration of people do not have consequences, and happy is the fundamental principle of conservation zero based budgeting of energy and biomass. "We started with a general situation in which (early 20th century) and the birth rate and mortality were high, and a small increase," said study co-author Felix F. Munoz, adding: 'Mortality declined sharply in the second half of the 20th century due to advances in health care and the life expectancy, so it seemed that the populations grow very large. However, in the last three decades has dropped sharply and the number of children born in the world. ' Prediction models have the shape of the curve S where the turning point is in the mid-1980s, after which population growth is gradually fall and stabilize around 2050. 'Overpopulation was current in the 1960s and 1970s, however, history shows that exercise lowers the prediction of the UN, "said Munoz. In 1992, the prediction is that by 2010 the Earth will be 7.17 billion people, however, it has not taken. Levels of demographic growth since the 1950s have fallen by 40 percent, and in 2010 was on the planet was 6.8 billion people. Fear of overpopulation zero based budgeting number of people on Earth continually growing epidemic of plague in the 15th century. The highest growth was recorded in the last 50 years due to the development of medicine zero based budgeting and agriculture. zero based budgeting In the world today there are about 7 billion people. Experts zero based budgeting estimate that the capacity of our planet somewhere between four and 16 billion. Rapid population growth in in the last three centuries the cause is concern that Earth may not be able to withstand zero based budgeting future demographic growth. Scientific paper InterAcademy Panel Statement on Population Growth predicts zero based budgeting that overpopulation could cause a number of environmental and social issues such as global warming, pollution, and lack of food and natural resources such as energy and water.
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