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Miljørapport 1988:14
Acidification is one of the most serious environmental problems - especially in Sweden, which suffers most from the consequences of acid rain. Besides international negotiations to reduce sulphur emissions - 85% of the acid load on Sweden can be traced to emissions from outside the country itself - the Swedish Government has employed large-scale, operative liming activities to counteract acidification of surface waters. The scientific results show that - although acidification cannot be solved by liming alone - the measures taken resulted in substantial improvements to around 8,000 Swedish lakes and watercourses. The idea is that other countries affected by acidification may also profit from this experience.
Acidic deposition and its effect on aquatic ecosystems have become major scientific and public policy issues in the United States since the early 1970s, and many diverse studies have been completed. This book is the first comprehensive, integrated synthesis of available information on current and potential effects of acidic precipitation on lakes and streams in geographic regions with a high number of low-alkalinity surface water from the Adirondacks and the Southern Blue Ridge to the Upper Midwest to the Rocky Mountains, the Sierra Nevada, and the Cascades. Written by leading authors, the book examines the current status of water chemistry and characterizes the processes controlling water chemistry on a regional basis by using and comparing high-quality data sets. Methods for the assessment of long-term changes in water chemistry and their effects in fish and other biota are also presented. The book amply illustrates the substantial diversity among geographical regions with respect to the nature of surface waters and the complexity of their response to acidic deposition. This volume will be of great interest to researchers in limnology, aquatic ecology, environmental chemistry, hydrology, and atmospheric sciences. It will also serve as an important reference for environmental managers and policy makers.
Is economic growth good for the environment? A number of economists have claimed that economic growth can benefit the environment, recruiting political support and finance for environmental policy measures. This view has received increasing support since the early 1990s from empirical evidence that has challenged the traditional environmentalist's belief that economic growth degrades the environment. This book reviews the theoretical and empirical literature on growth and the environment, giving an in-depth empirical treatment of the relationship between the two. Various hypotheses are formulated and tested for a number of indicators of environmental pressure. The test results indicate that alternative models and estimation methods should be used, altering previous conclusions about the effect of economic growth on the environment and offering an insight into the forces driving emission reduction in developed countries.