The the previous one. From that year the population

 The human population began to settle in villages about 10,000 years ago. At that time, between five and ten million people would be added, a number that did not significantly affect the ecosystem. From then on, population growth was gradual, but relatively slow until the 20th century, when this growth accelerated. The growth in population has been joined by the technical progress that has endowed us with a capacity to modify the unknown environment until a hundred years ago. Jungles that took thousands of years to form or oil deposits that have accumulated over millions of years are being consumed in the course of a single generation.What influence does population growth have on environmental degradation? How is it related to development? What can be predicted of its evolution in the future?About 2000 years ago it is estimated that the inhabitants of the Earth would be about 200 million and it was not until 1804 when it reached the 1000 million.Until 1968 the world population grew every year more than the previous one. From that year the population continues to grow but it does so more slowly each time .The United Nations, and other institutions, make estimates of what the population will be in the future. The data that is given for the next ten or twenty years are quite reliable. From there it is already very difficult to make predictions and those that are given have very little value. Until 1968 the world population grew every year more than the previous one. From that year the population continues to grow but it does so more slowly each time.The United Nations, and other institutions, make estimates of what the population will be in the future. The data that is given for the next ten or twenty years are quite reliable. From there it is already very difficult to make predictions and those that are given have very little value.The current world population of 7.6 billion people will reach 8.6 billion for the year 2030. In addition, it will reach 9.8 billion for 2050 and 11,200 for 2100.These are estimates of a new UN report, released on Wednesday.The study indicates that this upward trend will continue at a rate of approximately 83 million more people each year, despite a steady decline in fertility levels.The World Population Outlook 2017, published by the Department of Social and Economic Affairs of the UN, provides an extensive analysis of demographic trends.Information is essential to guide policies aimed at meeting the Sustainable Development Goals (SDG), which seeks to end poverty and hunger, in addition to achieving full equality by 2030.The new projections indicate, for example, that China and India are still the most populated countries, but by the year 2024, India will surpass China.Among the ten countries with more people, Nigeria is growing at a faster rate. Therefore, it is estimated that Nigeria will surpass the United States in this respect before 2050.The report also points to other trends such as the concentration of growth in poor countries, which presents a huge challenge to implement the SDGs.On the other hand, there is a reduction in fertility levels that slow down the rate of growth, but, in turn, they generate a tendency for the aging of the population.This will have a profound impact on societies, the UN estimates, and will put pressure on health services, pension systems and social protection in many countries.The life expectancy has also increased. Between the years 2000 to 2005, it was 65 years for men and 69 for women. Between 2010 and 2015, it reached 69 for men and 73 for women.Within these countries the situations are also very different. The highest birth rates are those of Africa with an average of 5.8. Several African countries, almost all of Latin America and many of Asia have decreased their rates very remarkably in recent years and have been between 2.5 and 4.5. Very populated countries, such as India, which have been in the 3.9 or Brazil, in 2.6, continue to decline. China, Thailand, Korea, Argentina, Chile, are approaching the values ??of Western countries and others such as Japan, South Korea or Taiwan are already below the 2.1 rate of renewal of generations.The highest rates of population growth are observed, in general, in the poorest and marginal sectors, especially the so-called third world, submerged in a structural poverty that aggravates their future. Probably the access of these sectors to education, health, work and therefore to expectations of progress, planning and well-being will not only allow them to live with dignity but also to decrease their demographic growth rate.The highest rates of population growth are observed, in general, in the poorest and marginal sectors, especially the so-called third world, submerged in a structural poverty that aggravates their future. Probably the access of these sectors to education, health, work and therefore to expectations of progress, planning and well-being will not only allow them to live with dignity but also to decrease their demographic growth rate. Many serious predictions have been made that the world population is leading us into a major crisis called the “population explosion.” In his book “The Population Explosion,” published in 1968, Dr. Ehrlich wrote, “The battle to feed all humanity is over: in the seventies of the twentieth century hundreds of millions of people will die of hunger in spite of At this moment, intensive programs are launched, and at this late date nothing can prevent a substantial increase in the world mortality rate “2. While many critics thought that this claim was exaggerated, the laws of exponential population growth remain valid, and an exponential growth of the human population can not continue indefinitely.Different efforts have been made to control the size of the population, among them the one-child policy implemented in China (although at the beginning of 2014 it has relaxed), which imposes fines for those urban couples who have more than one child. Because a large number of couples wish to have a male child, many of these continue to have more than one child. The effectiveness of this policy of limiting population growth is controversial; there are stories of female infanticide in some of the most rural areas of this country. Education programs for family planning in other countries have yielded positive results, limiting population growth rates and increasing living standards. Despite the control policies, the human population continues to grow. Due to the subsequent growing need to produce more and more food to feed the population, inequalities in access to this and other resources will continue to increase. The United Nations Organization estimates that the size of the world’s population in the future will range between six billion and 16 billion by the year 2100. There is no way to know if the growth of the human population will moderate to the point where crisis predicted by Dr. Ehrlich is avoided.Another consequence of population growth is the change and degradation of the natural environment. Many countries have made attempts to reduce the human impact on climate change by limiting their greenhouse gas emissions. However, a treaty on global climate change remains elusive, and many underdeveloped countries with the purpose of increasing their economic conditions may be less willing to agree to such a provision without some compensation, if this means reducing their economic development. Moreover, the role of human activity in climate change has become a burning socio-political debate in some developed countries, including the USA. UU Thus, we enter the future with considerable uncertainty about our ability to slow the growth of the human population and protect the environment to maintain the carrying capacity for the human species.

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