Most of the freshwater resources are either unreachable or too polluted, leaving or about , readily accessible for direct human use. Modern usage of the term supports the idea that overpopulation may promote warfare through fear of resource scarcity and increasing numbers of youth lacking the opportunity to engage in peaceful employment the. It can also destroy the environment around. It is estimated that in 2017 the number of undernourished people increased to 821 million, around 11 per cent of the world population. Without a solution to the rise in human population, by the year 2020, 8 billion people will live on earth and by the year 2050, 9 billion people will inhabit the planet. Methods of manufacturing fertilizers from garbage, , and agricultural waste by using have been discovered. The situation is even worse when it comes to ocean exploitation and pollution.
Although plants produce 54 billion metric tons of carbohydrates per year, when the population is expected to grow to 9 billion by 2050, the plants may not be able to keep up Biello. Poverty: is mostly a state of inability to make financial movements in between people. Countries like Brazil, China and India add more to their woes by neglecting substantial increases in their populations. Thornhill, cultural critic and writer , and , —propose that, like all other animal populations, human populations predictably grow and shrink according to their available food supply, growing during an abundance of food and shrinking in times of scarcity. In the United States, in 2001, almost half of.
I welcome you join the discussion! The , , , , , , and are all victims of human overpopulation. They suggested the following solutions and policies: following a small-family-size socio-cultural-behavioral norm worldwide especially one-child-per-family ethos , and providing contraception to all along with proper education on its use and benefits while providing access to safe, legal abortion as a backup to contraception , combined with a significantly more equitable distribution of resources globally. Overall life expectancy has increased globally despite of population growth, including countries with fast-growing populations. Her favorite subjects include astronomy and the environment. Archived from the original on 26 January 2009.
Population, which had sort of fallen off the world's agenda, remains a very important issue. By the year 2050 it is projected that world population will exceed over nine billion. If you're interested in writing for International Policy Digest - please send us an email via. As population densities increase, laws, which , will more frequently regulate interactions between humans and develop a need for more rules and restrictions to regulate these interactions. Although the supply of freshwater is not infinite, the human population is increasing by 1 billion people every 12 years. The overarching driver of species extinction is human population growth and increasing per capita consumption. Archived from on 18 February 2011.
Imo, some urban areas might already be too dense, causing urban problems that we hear about, and some urban areas could stand a little bit of infill. Acclaimed hermit Henry David Thoreau once wrote that humans have plenty of space. A number of desalination plants exist; however, the high costs of desalination, especially for poor countries, make impractical the transport of large amounts of desalinated seawater to interiors of large countries. On the other hand, some researchers, such as and believe that resources exist for further population growth. Anyone who would plan these parties would have to take in account for the amount of people that would have to scrunch in with each other, and how many people would not have enough food to last the party. The of the United Nations states in its report The State of Food Insecurity in the World 2018 that the new data indicates an increase of hunger in the world, reversing the recent trend.
In fact, some developed countries have both a diminishing population and an abundant food supply. When these gases and particles accumulate in the air in high enough concentrations, they can harm us and our environment. Unfortunately, that includes some of the places with biggest water problems. In 2000, there were 18 — such as Tokyo, , , , , Mexico City, , São Paulo, London and New York City — that have populations in excess of 10 million inhabitants. In the past fifty years, the per capita availability of fresh water has decreased by one third. The median estimate for future growth sees the world population reaching 8. Irrigation poses one of the largest problems, because without sufficient water to irrigate crops, the crops die and then there is the problem of food rations and starvation.
Huesemann, Huesemann, Ehrlich and Ehrlich caution that science and technology, as currently practiced, cannot solve the serious problems global human society faces, and that a cultural-social-political shift is needed to reorient science and technology in a more socially responsible and environmentally sustainable direction. Better Never to Have Been: The Harm of Coming into Existence. Because these animals are not spayed or neutered, they continue to reproduce, promoting the spread of rabies and other diseases that can affect farm animals and other domesticated animals. Here are some of the most imminent environmental problems that results from human population growth: 1. With the population rising at an enormous rate of 1. By trying to grow more and more crops off of the same amount of land, the soil becomes exhausted. Archived from on 24 March 2010.
Overuse of natural resources: More the population, the more is the requirement of natural resources like water, minerals, petroleum etc. If present trends continue, scientists warn that , as a result of , , , , , , , and. Population growth results increases the demand for food production. Africa's population is expected to rise from the current one billion to four billion by 2100, and Asia could add another billion in the same period. In sub-Saharan Africa, the number of malnourished people grew to 203. Plant and Animal Extinction Greater numbers of human beings populating the planet means that there are fewer resources available — food, water and habitat, specifically — for other species to thrive. Besides drinking, water is used to create sanitary living conditions and is the basis of creating a healthy environment fit to hold human life.
The United Nations projects that the population of 51 countries or areas, including Germany, Italy, Japan, and most of the states of the former Soviet Union, is expected to be lower in 2050 than in 2005. Therefore, population density is always increasing, which means average humans space per person is always decreasing. Compared to the natural background rate of , we are now , which is. The population of has, for example, grown from 6,279,921 in 1993 to 10,329,208 in 2009. These are then dumped into grounds, leading to land pollution. Overpopulation is one of the main reasons causing water pollution. Many countries with high population densities have eliminated absolute poverty and keep their inflation rates very low.
Causes of overpopulation It took hundreds of years to reach one billion inhabitants, yet in little over two centuries this figure multiplied sevenfold. Throughout recorded history, population growth has usually been slow despite high , due to war, and other diseases, and high. Archived from on 12 July 2008. An estimated 350 million women in the poorest countries of the world either did not want their last child, do not want another child or want to space their pregnancies, but they lack access to information, affordable means and services to determine the size and spacing of their families. Many quantitative studies have estimated the world's carrying capacity for humans, that is, a limit to the world population.