Greening the Globe – Flashcards
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Which of the following terms best describes the use of environmentally friendly farming methods to conserve soil and water?
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sustainable agriculture
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Contour plowing, no-till planting, and planting trees to serve as wind buffers are all methods used to __________.
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reduce erosion
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Explain how overpumping leads to water scarcity in coastal areas.
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Overpumping refers to pumping freshwater and reducing the level of an aquifer. In coastal areas, the lower aquifer is infiltrated with saltwater, eventually increasing the salinity of the aquifer to the point that it is not drinkable.
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Which of the following factors is a major reason for the high risk of drought in Africa?
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Africa has been getting less rainfall since 1968.
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Describe two environmental impacts of urbanization in Latin America.
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Two environmental impacts of urbanization in Latin America are increased air pollution and poor sanitation systems.
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The majority of scientists predict that the rise in global temperature by 2100 will range from __________.
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2° F to 10° F
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The term "global warming" refers to __________.
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increased average temperatures on the Earth's surface
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Explain how water pollution affects marine ecosystems.
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Industrial, agricultural, and municipal runoffs pollute coastal areas, creating dead zones for fish.
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Describe the primary environmental challenges facing Latin America in the early 21st century.
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The primary challenges facing Latin America in the early 21st century are urbanization and deforestation.
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Describe four expected impacts of global warming.
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Some expected impacts of global warming are changes in extremes: cold areas will get colder, hot areas will get hotter, wet areas will get wetter, and dry areas will get drier. Rain and snow will occur less frequently, but in heavier amounts.
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Which of the following definitions best characterizes the green movement?
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a movement to implement environmentally sound practices
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Which of the following has contributed the most to the increase of invasive species in Europe?
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an increase in trade across the continent
