ENVT 0845 Chapter Notes - Chapter 5: Population Milestone Babies, Public Health, Carrying Capacity
15 Mar 2016
School
Department
Course
Professor
Document Summary
What causes overpopulation: improvement in science and technology, public health and hygiene, immigration, improvement in food and safe water distribution, lack of family planning. What"s the problem with population growth: energy consumption is increasing. Between 2007-2009 the amount of energy the average person uses per year rose above. 80 billion joules which is equal to 615 gallons of gasoline: degradation of the environment, human well-being nutrition, disease, and childhood death rates, conflicts and wars, rise in unemployment. What"s the problem: 7 billion humans on earth. As of autumn 2011: rapid population growth. Some say it"s the source of all problems. Rate of consumption: rates regionally and economically based. Our current period: population 7 billion. 5. 1 the history of human population growth: periods of growth. Pre-agricultural period: 100,000 years, culture, tens of thousands of years to double, population 5 10 million at end. 5. 2 global variation in human population growth: birth rates, influenced by various factors.
