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Acid rain
industrially produced sulfur dioxide and nitrogen oxides in the atmosphere that damage forests, poison lakes, and kill fish
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Boreal forest
coniferous evergreen forest
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Connectivity
how well its different locations became linked with one another through improved transportation and communications networks
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Cultural assimilation
process in which immigrants were absorbed by the larger host society
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Cultural homeland
culturally distinctive settlement in a well-defined geographic area, and its ethnicity has survived over time, stamping the landscape with an enduring personality
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Edge cities
suburban node of activity that features a mix of peripheral retailing, industrial parks, office complexes, and entertainment facilities
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Ethnicity
people with a common background and history identify with one another, often as a minority group within a larger society
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Federal states
nation allocate considerable political power to units of government beneath the national level
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Gender gap
the difference in parity or equity between males and females in a specific social or cultural context. A term often used to describe gender differences in salary, working conditions, or political power
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Gentrification
displacement of lower-income residents of central-city neighborhoods by higher-income residents, the improvement of deteriorated inner-city landscapes, and the construction of shopping complexes, sports and entertainment attractions, and convention centers in selected downtown locations
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Group of Eight (G8)
a collection of economically powerful countries (US, Canada, Japan, Germany, Great Britain, France, Italy, and Russia) that regularly meets for discussions on key global economic and political issues
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Location factors
varied influences that explain why an economic activity is located where it is
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Megalopolis
A large urban region formed as multiple cities grow and merge with one another. The term is often applied to the string of cities in eastern North America that includes Washington, DC; Baltimore; Philadelphia; New York City; and Boston
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New urbanism
an urban design movement stressing higher density, mixed-use, pedestrian-scaled neighborhoods where residents can walk to work, school and entertainment
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Nonmetropolitan growth
people leave large cities and move to smaller towns and rural areas
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North American Free Trade Agreement (NAFTA)
An agreement made in 1994 between Canada, the United States, and Mexico that established a 15-year-plan for reducing all barriers to trade among the three countries
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Outsourcing
a business practice that transfers portions of a company’s production and service activities to lower cost settings, often located overseas
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Postindustrial economy
human geographies are shaped by modern technology, innovative information services, and a popular culture that dominates both North America and the world beyond
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Prairie
an extensive area of grassland in North America. In the more humid eastern portions, grasses are usually longer than in the drier western areas, which are in the rain shadow of the Rocky Mountain range
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Renewable energy sources
an energy source such as hydroelectric, solar, wind, and geothermal that is known for its enduring availability and its potentially lower environmental costs
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Sectoral transformation
evolution of a nation’s labor force from one dependent on the primary sector to one with more employment in the secondary, tertiary, and quaternary
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Spanglish
a hybrid combination of English and Spanish
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Sustainable agriculture
where organic farming principles, a limited use of chemicals, and an integrated plan of crop and livestock management combine to offer both producers and consumers environmentally friendly alternatives
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Tundra
mixture of low shrubs, grasses, and flowering herbs that grow briefly in the short growing seasons of the high latitudes
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Unitary state
power is centralized at the national level
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Urban decentralization
metropolitan areas sprawl in all directions and suburbs take on many of the characteristics of traditional downtowns
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Urban heat island
for built-up cities in which development associated with cities often produces nighttime temperatures some 9 to 14oF warmer than those of nearby rural areas
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World Trade Organization (WTO)
dedicated to reducing global trade barriers
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