This can contribute to a low GDP per Capita which is effect overpopulation has on the economy. As the global population increases, more food is needed. Health 35 139 One of the byproducts of population growth has been stress on freshwater supplies.
Forests are being torn down as more wood and land is needed to support our ever-growing population.
At the other end of the spectrum, policies that encourage family planning, education, gender equity and other measures to help slow population growth will help reduce pressure on the planet. Other major sources of eutrophication are industry and sewage disposal--both related to population growth. Take time to understand the issues, and support policies that will make a difference.
Deforestation is another important component of greenhouse gas emissions. Williamson, World Bank Econ. Deforestation Deforestation in turn leads to a reduced ability to capture CO2, thus exasperating the greenhouse gas problem.
What explains the discrepancy between the early research, which found little evidence of a relationship between population growth and economic growth in cross-sectional data, and more recent work which finds a negative and significant one?
Birdsall, A. Brander and S. Global Warming Human population growth and climate change have grown hand in hand as the use of fossil fuels has exploded to support industrialized societies.