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Global Overpopulation: What Are Possible Consequences?

We would be more than 7.6 billion human beings on Earth and two billion more in 2050. What is the impact of global overpopulation on the environment and global resources?

Today, we are more than 7.6 billion human beings on Earth (latest revision of the United Nations, in its June 2017 report). According to the latest projections, there will be 9.5 billion of us by 2050. These predictions can be explained by the population explosion in emerging countries and the lengthening of life expectancy in developed countries.

World overpopulation and water reserves

Water is the most precious resource on Earth: global overpopulation could lead to widespread conflicts over blue gold . Clashes already exist, since water is one of the main causes of tension in the Middle East. A global conflict over water would therefore have disastrous consequences. Currently, 80 countries lack water and one in five people does not have access to drinking water. To overcome this shortage, however, solutions exist, such as the desalination of seawater, which is still expensive.

World overpopulation and food

Currently, the most developed countries have enough resources to feed all the inhabitants of the planet. However, not everyone on the planet has enough to eat, as food is unevenly distributed. One of the consequences of global overpopulation would be to aggravate these inequalities, causing famines.

World overpopulation and pollution

The pollution of the planet is not directly linked to global overpopulation. The most developed countries are those that pollute the most, but also those that have the lowest birth rates. An American thus pollutes 91 times more than an inhabitant of Bangladesh. However, if the growth of emerging countries continues to rise and if developed countries do not restrict the pollution they generate, then global overpopulation will have a disastrous impact on the environment of our planet.

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