Explosive population growth affects world food supplies and environment: OVERPOPULATION As the world population continues to grow in almost all continents, great pressure is being placed on arable land, water, energy, and biological resources to provide an adequate supply of food while maintaining the integrity of our ecosystem. This is referred to as overpopulation. Essentially, tomorrow’s farmers need to produce more food with fewer resources. The consequences of such an event are severe and major. Meerman J, Cochrane SH. While population growth, of any species, may be beneficial to a certain extent, there may come a time when the number in the population exceeds the natural resources available to sustain it. Problems of overpopulation. Effects. Land and water are essential resources for the production of food and thus constitute two of the most fundamental resources for mankind. The effects of population growth are varied and vast. PIP: It is argued in this article that sub-Saharan Africa, given its present institutions and endowments of capital and technology, is already dangerously close to overpopulation. This is leading to many problems to the economy, food supply, housing etc. With sustained growth and rapid growth though there is a risk of overpopulation. Besides, the environment and the society are also negatively affected. During extended periods of relatively strong global health and high birth rates, it is typical for population growth to take place. It is often the negative effects, such as overcrowding, food and supply shortages and environmental damage that attract attention from politicians, economists and sociologists. According to a research, the last two centuries witnessed population explosion with the number increasing from 1 billion in the year 1800 to 7.6 billion in 2017 and various studies expect this number to surpass 10 billion post-2050. This growth, along with rising incomes in developing countries (which cause dietary changes such as eating more protein and meat) are driving up global food demand. Population growth, even rapid population growth, can be a positive thing.

Examples include corrections when the rapid growth may actually supply a population that wouldn't have existed to contribute otherwise. These resources are under pressure by population growth, economic development, and environmental change. 1. However, since recent decase there is heavy growth in population due to various factors. Population growth and food supply in sub-Saharan Africa. No Comments on Positive and negative effects of population growth Here, population growth refers to the increase in the number of individuals across the world.



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