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Christopher Kennedy University of Toronto, Department of Civil Engineering, 35 St. George Street, Toronto, Ontario, Canada M5S IA4 Coal is a valuable resource. It provides a significant amount of the World's energy supply and it is the basis for many industries. However, in areas where coal lies close to the Earth's surface and has been exploited by open cast tech- niques, radical alterations of landscape and significant impacts on the envi- ronment have occurred. This report was prepared to provide guidance to those who are responsible for the prevention of environmental effects from surface mining and for the restoration of the mining areas. Environmental problems of surface coal mining and restoration of the mine sites are discussed in the re- port. Particular attention is given to Eastern Europe, which continues to be a major centre of opencast lignite mining. Reclamation of mined lands for for- estry, agriculture and wildlife is briefly discussed. However, the shear volume of coal removed from many mines in Eastern Europe is so vast, that there is often insufficient overburden material to refill the pits. Consequently, the main focus of this report is on the creation of lakes in these former surface mines. Many problems have to be overcome in creating healthy lakes for recreation or wildlife. Guidelines for treating water quality problems and further devel- opment of lakes are provided. Techniques for dealing with acidic, waters, eutrophication and contamination are discussed.
Media and Migration: Learning in a globalized world brings together studies located at the intersection of migration, media and learning, and considers how the learning practices of youth in migration are shaped by new media. The change in the mobilities of people, media, and material goods which allow new connections between 'global' and 'local' life has had a significant impact on contemporary migration, as well as social life more generally.
The contributors to this book show how learning trajectories of individual learners become defined by broadly distributed networks and knowledge systems. Learning in stable, closed, and culturally uniform settings is becoming the exception rather than the norm. While immigrant youth are often associated with juggling multiple lives or worlds, such juggling is increasingly becoming typical for all youth living with new media. The book therefore addresses youth learning more generally in relation to media, globalization, and diversity, as well as the digital learning practices of immigrants and non-immigrants. This book was originally published as a special issue ofLearning, Media and Technology.
This book challenges the everyday misconceptions we get from mass media about money and our lives. This book takes on a series of false claims about money: giddy and incorrect assumptions about social mobility, nasty stereotypes about our struggling neighbors, uncovered crimes of wealth and privilege, nonsense assertions that media are liberal, and messages that value consumption too much and citizenship too little.
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