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The Last Oasis

Author: Sandra Postel
Publisher: Routledge
ISBN: 1134161581
Size: 15.55 MB
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For decades now we have wasted and mismanaged the world?s water supplies. Today, 27 countries are short of water, a quarter of the world?s population has no safe water, 46 per cent have no proper sanitation and each year four million children die of water-borne diseases. As most of the world?s major river systems cross several national boundaries, the scope disputes and the threat to international security is becoming more and more real. In The Last Oasis, Sandra Postel examines the economic, ecological and political factors affecting fresh water supply. She confronts the issues of mismanagement and profligacy and analyses and dangers of confrontation, both between nations and between rural and urban users. She also emphasises that the technology and know-how for effective water husbandry does exist. With methods already in use, farmers could cut their demand for water by 40-90 per cent, and cities by one-third, without sacrificing economic output or quality of life. Investing in water efficiency, recycling and conservation help meet rising demands and stave off disaster. But the priority is a common recognition of the gravity of the position, and with that a widespread push for institutions to manage sustainable use of water.

Pillar Of Sand

Author: Sandra Postel
Publisher: W. W. Norton & Company
ISBN: 9780393319378
Size: 71.97 MB
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The overriding lesson from history is that most irrigation-based civilizations fail. As we enter the third millennium, the question arises: Will ours be any different?

Wasser

Author: Marq De Villiers
Publisher: München : Econ
ISBN: 9783430193726
Size: 75.44 MB
Format: PDF, ePub
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Global Environmental Challenges Of The Twenty First Century

Author: David E. Lorey
Publisher: Rowman & Littlefield
ISBN: 9780842050494
Size: 71.98 MB
Format: PDF, Docs
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The most serious environmental problems of the twenty-first century have the potential to alter the course of life on this planet. Global warming, toxic waste, water and air pollution, acid rain, and shrinking energy supplies are frightening challenges that may threaten our future if we do not face up to them. Global Environmental Challenges provides important information and gives us hope about the environment. This book first helps us to grasp these difficulties, then shows us the choices we can make. How long to leave a light on, whether to take the car, the train, or bicycle to work, whether to recycle or throw away, whether to vote to curb continued suburban sprawl-all of these decisions can make a difference. This collection of some of the best essays and articles on the environment comes from a variety of sources, including journals, magazines, websites of ecological/conservation organizations, and other publications. Five major sections investigate the interaction of population growth, consumption, and environment; the emerging crisis in freshwater around the globe; global climate and atmosphere (including global warming); biodiversity loss; and the concept of sustainable development-using natural resources to place future human development on a sustainable path. The final section on sustainable development reveals how we can take action. As individuals, we can make a difference readily and easily without making huge personal sacrifices. As societies, we can work together in a global community of interest to sustain the earth. This valuable resource offers readers a better understanding of our environmental problems and presents solutions to improving the health of the planet.

Replenish

Author: Sandra Postel
Publisher: Island Press
ISBN: 1610917901
Size: 14.44 MB
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"Nothing is more important to life than water, and no one knows water better than Sandra Postel. Replenish is a wise, sobering, but ultimately hopeful book." —Elizabeth Kolbert "Clear-eyed treatise...Postel makes her case eloquently." —Booklist, starred review "An informative, purposeful argument." —Kirkus We have disrupted the natural water cycle for centuries in an effort to control water for our own prosperity. Yet every year, recovery from droughts and floods costs billions of dollars, and we spend billions more on dams, diversions, levees, and other feats of engineering. These massive projects not only are risky financially and environmentally, they often threaten social and political stability. What if the answer was not further control of the water cycle, but repair and replenishment? Sandra Postel takes readers around the world to explore water projects that work with, rather than against, nature’s rhythms. In New Mexico, forest rehabilitation is safeguarding drinking water; along the Mississippi River, farmers are planting cover crops to reduce polluted runoff; and in China, “sponge cities” are capturing rainwater to curb urban flooding. Efforts like these will be essential as climate change disrupts both weather patterns and the models on which we base our infrastructure. We will be forced to adapt. The question is whether we will continue to fight the water cycle or recognize our place in it and take advantage of the inherent services nature offers. Water, Postel writes, is a gift, the source of life itself. How will we use this greatest of gifts?

Krieg Der Welten Wie W Re Es Mit Frieden

Author: Bruno Latour
Publisher:
ISBN: 9783883961965
Size: 20.22 MB
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"Also gut, wir befinden uns im Krieg. Doch dann lassen sich endlich drei Fragen formulieren: Welches sind die Kriegsparteien? Was sind ihre Kriegsziele? Und schließlich die wichtigste Frage: Wie steht es mit Frieden? Mein Argument lautet also nicht, dass wir erleben, wie ein bestehender Frieden unbilligerweise zerschlagen wurde, noch dass wir mit einem "Krieg der Kulturen" konfrontiert sind. Sondern dass wir zunächst anerkennen müssen, dass ein Krieg der Welten die ganze Zeit hindurch schon stattgefunden hat, das ganze sogenannte moderne Zeitalter hindurch - in dieser modernen Parenthese. Noch beweist nichts, dass wir auf der falschen Seite stehen oder dieser Krieg nicht zu gewinnen ist. Sicher ist nur, dass er offen und nicht verdeckt geführt werden muss. Am schlimmsten wäre, wenn man so täte, als gäbe es überhaupt keinen Krieg, nur die friedliche Ausdehnung der natürlichen Vernunft des Westens, die ihre Polizeikräfte einsetzt, um die vielen Reiche des Bösen zu bekämpfen, einzudämmen und zu bekehren." (Bruno Latour) Bruno Latour, Wissenschaftssoziologe, lehrt am Centre de Sociologie de l'Innovation der Ecole des Mines in Paris sowie als Visiting Professor an der London School of Economics.

Wenn Die Fl Sse Versiegen

Author: Fred Pearce
Publisher:
ISBN: 9783888974717
Size: 59.91 MB
Format: PDF
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Alle Welt redet von schwindenden Energieressourcen; dass sich daneben eine ungleich gravierendere Wasserkrise anbahnt, ist bis jetzt kaum ins Bewusstsein gedrungen. Selbst wer umweltbewusst zu Hause Wasser spart, weiss selten, wieviel ”virtuelles Wasser“ er über Nahrung und Kleidung tatsächlich verbraucht: 5.000 Liter Wasser sind nötig, um ein Kilo Reis zu erzeugen, 11.000 Liter für das Rindfleisch eines Hamburgers, unglaubliche 20.000 Liter stecken in 1 kg Kaffeepulver. Kein Wunder, dass sich die Flüsse der Welt in atemberaubendem Tempo leeren, während durch Überregulierung andererseits die Flutgefahr dramatisch steigt. Längst weiss man, dass gigantomanische Bewässerungs- und Staudammprojekte eine enorme ökologische und ökonomische Verschwendung darstellen. Doch schon geht man weltweit dazu über, auch die unterirdischen Wasserreservoirs leer zu pumpen. Ressourcenkriege um Wasser bahnen sich an, denn: Ohne Öl können wir zur Not leben, ohne Wasser sicher nicht. Fred Pearces Berichte lesen sich wie Kriminalgeschichten und geben zugleich einen umfassenden Überblick über die Wasserkrise und ihre Auswirkungen.

Environmental Challenges

Author: Shimson Belkin
Publisher: Springer Science & Business Media
ISBN: 9401143692
Size: 67.22 MB
Format: PDF, Kindle
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In the summer of 1999, an international group of experts convened in Jerusalem, Israel, in order to define the major environmental challenges facing humanity at the dawn of the new millennium and - where possible - propose ways of addressing them. Almost 50 selected articles are collected in the present book, which constitutes a striking interdisciplinary combination of state-of-the-art science with the latest views on environmental law, education, and international cooperation. Whilst a major fraction of the book is devoted to water-related issues (water quality monitoring, water and wastewater treatment, water-based international cooperation, and more), other sections deal with timely topics relating to air pollution, biodiversity, conservation, and education. The book is intended for environmental scientists, professionals, and students of all disciplines.

Land Water And Development

Author: Malcolm Newson
Publisher: Routledge
ISBN: 1134732309
Size: 26.45 MB
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This is a fully revised and expanded second edition of Malcolm Newson's acclaimed book. Exploring in greater depth the meaning of sustainability in river basin development this new edition: * highlights the rapid evolution of practical concepts since the Rio Earth Summit * features new illustrations and case studies from Australia, South Africa and Israel * makes the ecosystem model more explicit throughout * strengthens coverage of the linkages between land and water management.