The increase in population leads to more depletion of resources like water and food. Our planet can produce a limited amount of good quality food, but if we try to double produce quantity, we can, but the quantity will increase, but the quality will reduce. It causes damage to ecosystems. 

Our environment has to bear the brunt of our heavy consumption of coal, oil, and natural gas. It will produce high CO2 causing global warming, melting polar ice, and rising sea levels leading imbalance in the environment and unbalanced life for human beings. 

About 97% of water covers the earth, but drinking water source is little, available is 1.2%. Scarcity of water can bring scary war situations between countries and between states. Right now, it is not a reel situation. It is a real problem which we are facing.

An overpopulated country cannot produce employment as equal to population growth. It will become the hub for unemployment. Further unemployment causes poverty, increases the crime rate, and socioeconomic imbalance and the country remains undeveloped country. 

The difference in demand and supply of commodities will create a high cost of living. Awareness about the population explosion is the need of the hour. Overpopulation causes an increase in health problems that need immediate attention. Ultimately, we have another way, but the viability is not explored yet. We need to shift to another planet like Mars.