The continuous increase of population in the world has become a major problem to planet earth. Oftentimes, it is referred to as the population bomb owing to the adverse impacts it creates on the world today. Such population explosion leads to social, economic and environmental problems. This prompted the enactment of global protocols, regional agreements and localized legislations which are all geared up towards resolving mounting social, economic and environmental problems.
There are many countries and cites which contribute to this population explosion. China, the most populated country today, has a population of 1.4 billion, which is about one-fifth of the world’s population. Mexico City has more people than