Exam 12: Preserving and Enhancing the Biosphere

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Which of the following does not contribute to fresh­water contamination?

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Describe the positions taken by environmental pes­simists and optimists.

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Describe the two options for achieving sustainable development.

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Environmental pessimists focus on the problems of environmental scarcities.

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What does the UN's Law of the Sea Treaty accomplish?

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Surveys show that a majority of citizens

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If LDCs were to develop their economies to the level of EDC,then the global emissions of CO2 would

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The replacement rate refers to the

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One of the main voices of opposition to restraining population growth as outlined at the 1994 UN Conference on Population and Development (especially concerning abortion)was from

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Earth Summit I (1992)and Earth Summit II (2002)featured prominent disagreements between

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The Kyoto Protocol requires EDCs to reduce GHG emissions by what percentage below 1990 levels?

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Over the past 20 years the average marine catch in the oceans

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The Earth Summits brought many countries into agreement concerning environmental protection.

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When does ground pollution caused by solid waste become an international problem?

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One primary reason that environmental optimists are not concerned with natural resource depletion is they believe that

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List some of the ways to control population growth.

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Approximately what percentage of Earth's surface is covered by water?

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The attempts to control the population problem is primarily headed up by what UN subsidiary organ?

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The Three Gorges Dam and hydroelectric project illustrates the difficulty of sustainable development because China plans to

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Economic approaches to reducing the birthrate place great emphasis on

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