Easy access to environmental knowledge. With increasing shortages of water, the widespread use of pesticides, and the advent of genetic engineering, the quality and quantity of food is of vital concern. Population, when unchecked, increases in a geometrical ratio.
Subsistence only increases in an arithmetical ratio.
A slight acquaintance with numbers will show the immensity of the first power in comparison of the second. This free site is published for research and education. Information is not advice.