Study Guide - Exam 3 - ch 9-10, heifer & film

Study Guide - Exam 3 - ch 9-10, heifer & film - Ch9...

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1. Neo-Malthusian argue that population growth is detrimental to the environment, esp. when it is accompanied by affluence (so that a birth in India, eg, is going to do far less environment harm over that child’s lifetime than will a birth in the U.S.) 2. Barry Commoner’s perspective is that many variables other than population are critical elements in environmental 3. Julian Simon’s view of population growth is hardly harmful; in fact it can be good because it provides more 4. The impact of early civilizations on the environment was great or minimal? 5. Humans have utilized fire for at least half a million yrs. 6. The collapse of numerous ancient agricultural systems has been traced to ecological imbalances. Eg: North Africa, Near East & Mesopotamia. 7. Explorer Juan Cabrillo visited C.A in 1542; he could see the mountain peaks in the distance but not their bases while he anchored in San Pedro Bay. A thermal inversion in the area trapped the smoke from Amerindian fires, bringing about air pollution as well as human health hazards. 8. Early civilizations needed to avoid water pollution in order to ensure safe drinking water in the urban areas. This prompted the development of wells and water storage tanks. The Aztecs under King Ahuitzotl brought in spring water through a stone pipeline. 9. The problem of environmental degradation can be broken down into several key factors: pollution, crowding & When waste increases to the point that it can no longer be accommodated by the ecosystem, it becomes pollution. 10. Pollution’s primary forms are biological or chemical. Human population density often leads to increased biological pollution. Today, the crowding of large numbers of people into small places has brought about increased pollution almost everywhere. One case of chemical poisoning in Minamata Bay, Japan, where industrial waste containing mercury was dumped into the fishing waters. Local fishermen continued to eat their catch; the result was several thousand cases of a debilitating disease now referred to as Minamata disease, a form of mercury poisoning. 11. The urban atmosphere often contains high counts of microorganisms; gases, such as carbon monoxide & oxides of nitrogen; & a variety of other chemical compounds, including sulfur dioxide. The United States Office of Technology Assessment estimated that the effects of air pollution may cause 50,000 premature deaths in the U.S each year—about 2% of annual mortality.
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This note was uploaded on 05/05/2010 for the course GCU gcu 351 taught by Professor Larson-keagy during the Spring '10 term at ASU.

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Study Guide - Exam 3 - ch 9-10, heifer & film - Ch9...

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