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Author: Joint United Nations Programme on HIV/AIDS
Publisher: UNESCO Publishing
ISBN: 9231004816
Category : Political Science
Languages : en
Pages : 71
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Author: Joint United Nations Programme on HIV/AIDS
Publisher: UNESCO Publishing
ISBN: 9231004816
Category : Political Science
Languages : en
Pages : 71
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Book Description
Author: National Academy of Sciences
Publisher: National Academies Press
ISBN: 0309170729
Category : Social Science
Languages : en
Pages : 323
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Book Description
As the world's population exceeds an incredible 6 billion people, governmentsâ€"and scientistsâ€"everywhere are concerned about the prospects for sustainable development. The science academies of the three most populous countries have joined forces in an unprecedented effort to understand the linkage between population growth and land-use change, and its implications for the future. By examining six sites ranging from agricultural to intensely urban to areas in transition, the multinational study panel asks how population growth and consumption directly cause land-use change, and explore the general nature of the forces driving the transformations. Growing Populations, Changing Landscapes explains how disparate government policies with unintended consequences and globalization effects that link local land-use changes to consumption patterns and labor policies in distant countries can be far more influential than simple numerical population increases. Recognizing the importance of these linkages can be a significant step toward more effective environmental management.
Author: United Nations Publications
Publisher:
ISBN: 9789211483192
Category : Political Science
Languages : en
Pages : 124
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Book Description
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.
Author: David Bloom
Publisher: Rand Corporation
ISBN: 0833033735
Category : Social Science
Languages : en
Pages : 127
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Book Description
There is long-standing debate on how population growth affects national economies. A new report from Population Matters examines the history of this debate and synthesizes current research on the topic. The authors, led by Harvard economist David Bloom, conclude that population age structure, more than size or growth per se, affects economic development, and that reducing high fertility can create opportunities for economic growth if the right kinds of educational, health, and labor-market policies are in place. The report also examines specific regions of the world and how their differing policy environments have affected the relationship between population change and economic development.
Author: United Nations Population Fund
Publisher:
ISBN:
Category : Families
Languages : en
Pages : 88
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Author: Lori M. Hunter
Publisher: Rand Corporation
ISBN: 9780833043689
Category : Social Science
Languages : en
Pages : 128
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Book Description
This report discusses the relationship between population and environmental change, the forces that mediate this relationship, and how population dynamics specifically affect climate change and land-use change.
Author: Carol Bellamy
Publisher:
ISBN: 9780756740214
Category :
Languages : en
Pages : 0
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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309069904
Category : Social Science
Languages : en
Pages : 369
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Book Description
Is rapid world population growth actually coming to an end? As population growth and its consequences have become front-page issues, projections of slowing growth from such institutions as the United Nations and the World Bank have been called into question. Beyond Six Billion asks what such projections really say, why they say it, whether they can be trusted, and whether they can be improved. The book includes analysis of how well past U.N. and World Bank projections have panned out, what errors have occurred, and why they have happened. Focusing on fertility as one key to accurate projections, the committee examines the transition from high, constant fertility to low fertility levels and discusses whether developing countries will eventually attain the very low levels of births now observed in the industrialized world. Other keys to accurate projections, predictions of lengthening life span and of the impact of international migration on specific countries, are also explored in detail. How good are our methods of population forecasting? How can we cope with the inevitable uncertainty? What population trends can we anticipate? Beyond Six Billion illuminates not only the forces that shape population growth but also the accuracy of the methods we use to quantify these forces and the uncertainty surrounding projections. The Committee on Population was established by the National Academy of Sciences (NAS) in 1983 to bring the knowledge and methods of the population sciences to bear on major issues of science and public policy. The committee's work includes both basic studies of fertility, health and mortality, and migration; and applied studies aimed at improving programs for the public health and welfare in the United States and in developing countries. The committee also fosters communication among researchers in different disciplines and countries and policy makers in government, international agencies, and private organizations. The work of the committee is made possible by funding from several government agencies and private foundations.
Author: Christopher Flavin
Publisher: W. W. Norton & Company
ISBN: 9780393322798
Category : Conservation of natural resources
Languages : en
Pages : 292
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Book Description
In preparation for the World Summit on Sustainable Development in September 2002 in Johannesburg, South Africa, [this book] evaluates what has been achieved since the 1992 Earth Summit in Rio. Ten years ago, the leaders of the world produced a plan to begin creating a sustainable global economy, one that meets human needs while protecting and restoring the natural environment. How much progress has the world made toward that goal? With [the book] as your guide, you will learn about the problems facing the delegates in Johannesburg as they try to answer this question -from today's severe inequalities of wealth and income (1.2 billion people live on 1 [dollar] a day or less) to environmental threats such as climate change, growing numbers of tourists in fragile areas, and the proliferation of toxic chemicals. The authors also shed light on the possibilities for change and how existing technologies and resources can help solve many of our most pressing problems. Using renewables like wind power, the energy economy can be converted from oil to hydrogen. Poor farmers can grow more food by taking advantage of "free" biological services, like nitrogen-fixing plants and beneficial insects. And women can have fewer children when they have a chance to get an education and to act on their own decisions on when to have children. [The book] spells out priorities for the Johannesburg Summit in seven key areas: agriculture, energy policy and climate change, chemicals, international tourism, population growth, resource-based conflicts, and global governance. Decisions made today can make all the difference in our efforts to build a more stable and secure world in the future.-- From back cover.
Author: Paul R. Ehrlich
Publisher:
ISBN: 9781568495873
Category : Social Science
Languages : en
Pages : 0
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Book Description
