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Today our planet is home to 6.8 billion people. By the year 2050, the global population will have grown to 9 billion. Yet the problems that will come with this massive expansion are not universal. Many developing nations will experience high demographic growth, while industrialized countries will have to deal with aging and eventually shrinking populations, as well as with more immigration. Overcrowded World? Global Population and International Migration offers a perspective on the causes and effects of rapid population change, and asks two vital questions: how can Earth sustain this growth? And what can we do to improve the living conditions of present and future generations?
How many is too many? In regard to the human population, people have been asking this question for centuries. The current world population is approaching seven billion people. At the current 1.2 per cent rate of annual increase, the population will reach a whopping 9.5 billion people by 2050. ""The Human Population"" explores whether this statistical information is cause for alarm, examining the issues of feeding such a population, sustaining natural resources, having enough living space, and other necessities for a comfortable life on Earth. Is the world suffering from a terrible population explosion, or is life getting better for most people, despite a growing population? These are some of the questions and issues covered in the pages of this fascinating, timely new book.
In this tough-minded, lucid book, Leon Bouvier and Lindsey Grant examine the inevitable and escalating environmental degradation that will result if population growth pushes the limits of our already strained environmental carrying capacity. If we are already grappling with dirty air, poisoned water, destruction of forests, the loss of topsoil, vanishing species, and the deterioration of cities, with the gap between rich and poor growing ever wider, what will the next century be like as we grow from 260 to 400 million? The prospects the authors describe are not pretty ones. Because of our energy-demanding, consumption-driven economy, the United States is the leading source of two of the gravest threats to life on this planet -- acid precipitation and climatic warming. Given the disproportionate damage we as Americans create, the authors call for appropriate attention to the difficult issues raised by population questions. Analyzing current and projected rates of fertility, mortality and migration, Bouvier and Grant forecast various population scenarios and conclude that low fertility rates alone will not solve our population problem. They recommend lower immigration levels to achieve environmental sustainability in the twenty-first century. Arguing with compassion and concern for the less fortunate in other countries, the authors point out ways the United States could support population-reducing policies abroad and promote the empowerment of women in decisions affecting family size. At the same time, they urge Americans to act responsibly toward our own future, here, at home. In the increasingly heated debate over immigration, the reasoned, unflinching, progressive voice ofHow Many Americans? is sure to play a pivotal role.
Examines the results of demographic changes and illustrates the threat of overpopulation to man and his environment.
Hospitals and nursing homes are responding to changes in the health care system by modifying staffing levels and the mix of nursing personnel. But do these changes endanger the quality of patient care? Do nursing staff suffer increased rates of injury, illness, or stress because of changing workplace demands? These questions are addressed in Nursing Staff in Hospitals and Nursing Homes, a thorough and authoritative look at today's health care system that also takes a long-term view of staffing needs for nursing as the nation moves into the next century. The committee draws fundamental conclusions about the evolving role of nurses in hospitals and nursing homes and presents recommendations about staffing decisions, nursing training, measurement of quality, reimbursement, and other areas. The volume also discusses work-related injuries, violence toward and abuse of nursing staffs, and stress among nursing personnelâ€"and examines whether these problems are related to staffing levels. Included is a readable overview of the underlying trends in health care that have given rise to urgent questions about nurse staffing: population changes, budget pressures, and the introduction of new technologies. Nursing Staff in Hospitals and Nursing Homes provides a straightforward examination of complex and sensitive issues surround the role and value of nursing on our health care system.
The United Nations population estimates and projections form a comprehensive set of demographic data to assess population trends at the global, regional and national levels. They are used in the calculation of many of the key development indicators commonly used by the United Nations system, including for more than one third of the indicators used to monitor progress towards the achievement of the Sustainable Development Goals. The 2019 revision of the World Population Prospects is the twenty-sixth edition of the official United Nations population estimates and projections, which have been prepared since 1951 by the Population Division of the Department of Economic and Social Affairs. The 2019 revision presents population estimates from 1950 until the present for 235 countries or areas, which have been developed through country-specific analyses of historical demographic trends. It builds on previous revisions by incorporating additional results from the 2010 and 2020 rounds of national population censuses as well as information from vital registration and recent nationally representative household sample surveys. The 2019 revision also presents population projections to the year 2100 that reflect a range of plausible outcomes at the global, regional and country levels. These Highlights summarise key population trends described by the estimates and projections presented in World Population Prospects 2019.