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This book confronts a major contemporary problem - the fear of overpopulation. The classic analysis from which the population debate derives, Malthus's "Essay on Population", has largely been discredited by empirical evidence, but a new argument, not identical with the Malthusian analysis but related to it, has appeared in recent years. Thus it is now widely believed that the world's burgeoning population will soon reach - may already have reached - a level at which it imposes an unsustainable pressure on the natural environment. Not only is it believed that it will be impossible to feed the population, but man's desperate efforts to provide for himself are threatening the ecosystem itself. While not denying the role birth control and other measures may have to play, the authors question whether overpopulation really is the main problem. They argue instead that the main factor is the inequitable distribution of the earth's natural resources, nature's gift to mankind. Thus a small minority of the world's population owns and enjoys the benefits of the great majority of the earth's natural resources, while the vast majority of the population is huddled together in overcrowded conditions (creating the illusion of overpopulation) on what remains, which is often poorer land, deteriorating with over-exploitation, thus exacerbating the situation, such as in the Amazon Basin or the Sahel. The authors argue that a new approach to property rights and taxation will have to be adopted if the apparent conflict between demography and ecology is to be resolved. This volume also goes beyond the conventional debate on resource exploitation. Space Age technology threatens the remaining commons - the oceans, the arctic regions and outer space - which dramatizes the urgency of the quest for a new approach.
Population and Climate Change provides the first systematic in-depth treatment of links between two major themes of the 21st century: population growth (and associated demographic trends such as aging) and climate change. It is written by a multidisciplinary team of authors from the International Institute for Applied Systems Analysis who integrate both natural science and social science perspectives in a way that is comprehensible to members of both communities. The book will be of primary interest to researchers in the fields of climate change, demography, and economics. It will also be useful to policy-makers and NGOs dealing with issues of population dynamics and climate change, and to teachers and students in courses such as environmental studies, demography, climatology, economics, earth systems science, and international relations.
Published to coincide with the Fourth United Nations Environmental Assembly, UN Environment's sixth Global Environment Outlook calls on decision makers to take bold and urgent action to address pressing environmental issues in order to protect the planet and human health. By bringing together hundreds of scientists, peer reviewers and collaborating institutions and partners, the GEO reports build on sound scientific knowledge to provide governments, local authorities, businesses and individual citizens with the information needed to guide societies to a truly sustainable world by 2050. GEO-6 outlines the current state of the environment, illustrates possible future environmental trends and analyses the effectiveness of policies. This flagship report shows how governments can put us on the path to a truly sustainable future - emphasising that urgent and inclusive action is needed to achieve a healthy planet with healthy people. This title is also available as Open Access on Cambridge Core.