International Futures: Choices in the Face of Uncertainty Barry B. Hughes
Chapter 2: Global Change Types of Growth: Exponential Growth S-Curve Bell Curve Linear Threshold Change
Demographic Change also known as global population growth grows at annual rate of 2.0 percent usually follows the shape of the S-shape curve
Economic Change listed in terms of gross world product (goods and services) exhibits an exponential pattern of growth geographic region and economic sector
Change in Energy physical energy feeds the human economy takes on the shape of a bell-shaped curve fossil fuels one of our main resources U.S. oil production continues to decline
Change in Agriculture and Food ethical questions being asked gross national product calories per capita daily global food production rates
Environmental Change human impact on the environment dangers of carbon dioxide the rainforests and what is happening to it
Technological Change takes on the pattern of an envelope curve exhibits exponential patterns transportation speeds and their advancements
Sociopolitical Change changes that affect the lives of individuals and in social organizations GNP, again education urbanization, or inter-human contact