¡§The United Nations projects that the global population, currently at 6 billion, will peak at about 10 billion in the next century and then stabilize or even decline.¡(popindex.Princeton.edu) A question immediately following the statement, can the Earth feed that many people? It is underst...

The world's population has grown more in the last 50 years than it had done in the previous 4 million years[1]. This quantum leap in the human population has put severe strains on the finite resources and the fragile environment of our planet. What is more, the present rate of the galloping...

Overpopulation has become an enormous crisis facing society today. Overpopulation is distinguished by the number of people in an area relative to its resources and the capacity of the environment to sustain human activities; that is, to the area's carrying capacity. When is an area overpopulated? W...