 | An Overview of Our Planetary Environment
Geology, Past and Present
Geology and the Scientific Method The Motivation to Find Answers Wheels Within Wheels: Earth Cycles and Systems
Nature and Rate of Population Growth
Growth Rates: Causes and Consequences Growth Rate and Doubling Time
Impacts of the Human Population
Population and Nonfood Resources Uneven Distribution of People and Resources Disruption of Natural Systems Is Extraterrestrial Colonization a Solution?
LIVING GEOLOGY 1: Reality in Round Numbers (or, how many is a crowd?)
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