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The idea of sustainability has become central to international dialogues on development. This study focuses on cities and examines the implications that urbanization has for the future of the environment. The contributors explain how the development of infrastructure and industries poses serious threats to the environment through the pollution of air, water and soil. Many urban governments are actively initiating programs to mitigate harmful environmental impacts, and the discussions show that some forms of urban settlement are more benign than others. To assess whether cities can be sustainable in environmental terms, this book brings together comprehensive studies of the urban experience in nine major countries and regions: the United States, Canada, Western Europe, Eastern Europe, Japan, Southeast Asia, China and Hong Kong, Africa, and Latin America. The chapters examine the meaning of sustainable development in a specific region, the growth and structure of urban systems, the effects of possible climatic changes on urban areas, the political environment within which cities operate, and the pressures caused by intense urban use of services and natural resources. Chapters conclude with policy proposals for increasing sustainability.
An analysis that offers evidence to challenge the widely held assumption that urbanization and environmental quality are necessarily at odds. Conventional wisdom about the environmental impact of cities holds that urbanization and environmental quality are necessarily at odds. Cities are seen to be sites of ecological disruption, consuming a disproportionate share of natural resources, producing high levels of pollution, and concentrating harmful emissions precisely where the population is most concentrated. Cities appear to be particularly vulnerable to natural disasters, to be inherently at risk from outbreaks of infectious diseases, and even to offer dysfunctional and unnatural settings for human life. In this book, William Meyer tests these widely held beliefs against the evidence. Borrowing some useful terminology from the public health literature, Meyer weighs instances of “urban penalty” against those of “urban advantage.” He finds that many supposed urban environmental penalties are illusory, based on commonsense preconceptions and not on solid evidence. In fact, greater degrees of “urbanness” often offer advantages rather than penalties. The characteristic compactness of cities, for example, lessens the pressure on ecological systems and enables resource consumption to be more efficient. On the whole, Meyer reports, cities offer greater safety from environmental hazards (geophysical, technological, and biological) than more dispersed settlement does. In fact, the city-defining characteristics widely supposed to result in environmental penalties do much to account for cities' environmental advantages. As of 2008 (according to U.N. statistics), more people live in cities than in rural areas. Meyer's analysis clarifies the effects of such a profound shift, covering a full range of environmental issues in urban settings.
The purpose of this monograph is to clarify the effect of environmental change on the process of urbanization. The research attempts to uncover the similarities as well as the differences across countries of the charac teristics of environmental effects on cities and metropolitan areas during the process of industrial development. Over the past several decades, a notable behavioral shift has been observed in many developed countries. People appear to be switching from an almost exclusive concern for material (commodity) consumption to a broader set of concerns that includes interest in so-called environ mental problems and in improving the quality of life (USEPA 1973). These new areas of concern include, of course, the problems of pollution, congestion, and, in general, environmental degradation in urban areas. People seem to be becoming increasingly conscious of the physical as well as the social environment. Richard L. Morrill described the situation in the United States as follows: Evidently many are still moving [their residences] for amenity values, into regions they like, irrespective of job opportunities. While movement to the traditional amenity areas of Florida and Arizona continues, there has been a dramatic shift away from California, or from metropolitan areas generally, to xv xvi INTRODUCTION the Pacific Northwest, the Rocky Mountains, upper New England, and even to the Ozarks, Appalachia, and Upper Michigan. [Quoted in Berry and Gillard 1977, p.
This volume provides an ample overview of state-of-the-art understanding of the multi-dimensional phenomenon of migration, in the characterisation of migration drivers, in environmental and agro-economic case studies and modelling issues as well as socio-political analyses. The analysis is geared to the consequences of climatic change, and the effects on soil, water and extreme weather that will drive populations to migrate.
An analysis of current research and theory about the ways in which cities affect people.
'This remarkable book convincingly challenges urban misconceptions about such issues as growth, poverty and the environment, and uses compelling evidencebased arguments to demonstrate why urbanization is the most important 21st century priority. Its ambitious, comprehensive scope ... ensures that it will become an indispensable classic for policymakers, practitioners and academics.'. Caroline Moser, Director, Global Urban Research Centre, Manchester University. 'Too many policymakers fear our urban future, seeing only slums and strife. With the help of this excellent and timely volume, they sh.
"This text is intended for a one-semester introductory course."--Page 1.
The report presents findings from the 2018 revision of World Urbanization Prospects, which contains the latest estimates of the urban and rural populations or areas from 1950 to 2018 and projections to 2050, as well as estimates of population size from 1950 to 2018 and projections to 2030 for all urban agglomerations with 300,000 inhabitants or more in 2018. The world urban population is at an all-time high, and the share of urban dwellers, is projected to represent two thirds of the global population in 2050. Continued urbanization will bring new opportunities and challenges for sustainable development.
The volume explores the intricate relationship between urbanization, population dynamics, and the environment in the western Himalayas from a historical perspective. It challenges the conventional link that urban development is solely tied to population growth, unveiling the influence of political and economic elites. Through empirical analysis within a historical context, the study unveils the significance of cantonment towns, military consolidation, and legislative control in driving urban growth. While it leads to population surges, economic activities, and improvements in transportation and communication, it also exposes adverse effects like the overuse of forest resources, disrupting the balance between humans and nature, and leading to ecological imbalances and fatalities. This volume opens new avenues for research on rivers, biodiversity, geopolitics, socio-cultural aspects, and the economy but also offers valuable insights for national and international academia.
Bachelor Thesis from the year 2019 in the subject Geography / Earth Science - Physical Geography, Geomorphology, Environmental Studies, grade: A, Ethiopian Civil Service University (College of Urban Development and Engineering), course: Research, language: English, abstract: The general objective of this senior essay is to assess the impact that urbanization has brought to the environment in Yeka sub city. The research is descriptive in its very nature. Besides, both quantitative and qualitative research approach is used. Simple random sampling technique particularly lottery method is used to select samples from the total population. Both primary and secondary data sources have been employed, and questionnaire, interview and observation are employed to collect the required data. Furthermore, quantitative (i.e. descriptive statistics specially frequency distribution and percentage) and qualitative (i.e., verbal analysis or narration) data analysis methods have been launched to analyze the collected data. Data are mainly presented in tabular, pictorial and textual form. Continuous population growth in Yeka sub city resulted in the encroachment of forest land mostly through informal way and this resulted in the minimization of forest cover and the alteration of land use from natural forest into human-made residential and other built-up areas on a continuous manner. Besides the formal settlement, made by the legal allotment of land, the informal settlement is very high and even difficult to control. This indicates the high magnitude of urbanization in the sub city. The main causes for the continuous urban population growth or urbanization are influx of people into the city of Addis Ababa, ever-increasing natural birth rate and reduced mortality rate. The impact that urbanization has on the environment encompass deforestation, land slide and soil degradation, excessive waste generation and water and land pollution, and air pollution. Protecting agricultural and forest land as well as public open spaces from human settlement, containing the growth of the sub city within limited square with the help of policy instrument that earmark regulatory environment, restrict the geographic or spatial growth of the city, facilitate the management of urban growth and protect/preserve public open spaces and forest lands, reducing the influx of people through the creation of equal development opportunities for all rural and urban centers and implementing family planning is compulsory, and controlling informal settlement with a very strict regulatory environment is decisively needed.