The human population is growing exponentially. In 1959, the world population was about 2.5 billion people. Today, it is over 7 billion people. This increase in population has led to a number of environmental problems, including increased pollution, land degradation, and depletion of resources. In order to address these issues, we need to understand how the human population is growing and what factors are contributing to this trend.
One of the drivers of population growth is fertility rates. Throughout history, fertility rates have been influenced by a number of factors, including economic development, social changes, and access to contraception. In developed countries, fertility rates have generally been declining because women have more access to contraception and education. However, in developing countries, fertility rates are still high because women do not have the same opportunities as women in developed countries.
Another factor driving population growth in birth rates. Birth rates vary throughout the world due to a number of factors, including age distribution, education levels, and living behavior. Birth rates are highest in developing countries because there are more young people (ages 0-14) relative to older people (ages 65+). As birth rates increase in developing countries, there is an increased demand for resources (e.g. land, water) and a corresponding increase in environmental problems.
The human population is growing exponentially because fertility rates and birth rates are high in developing countries. We need to address these issues in order to prevent further environmental degradation.