Overpopulation has been acknowledged as a major global environmental issue since few decades, as it has caused a number of negative effects on environment. The main factors contributing to the formation of this inverted pyramid demographic structure are modern medical services and illiteracy in some interior parts of developing countries. Having too many people has had a number of disastrous effects, including growing strain on the planet's natural resources. Deforestation, climate change, urban sprawl, food security, increase in energy consumption and effect on marine ecosystem, decline in biocapacity are some of the most severe effects of population growth. Steps that are specific must be taken on national and international level to comb...