One planet, 7 continents, 7 billion people. A planet endowed with resources to optimally support 2 billion humans bearing more than thrice the weight is what is meant by massive overpopulation. Until 1974 the population on earth was 4 billion, and in a mere 40 years it nearly doubled. We are expected to reach a staggering total of 10 billion in the next 50 years. The … [Read more...]