This unique addition to reference literature provides an introduction to the major concepts and contemporary issues that are essential for students of environmental science and environmental studies to know. With over 200 entries authored by world-class names like Anthony Brazel, John Day and Edward Keller, this text is divided into six sections: Environmental Science, Environments, Paradigms & Concepts, Processes & Dynamics, Scales & Techniques, and Environmental Issues.  

Resource Depletion

Resource depletion

All societies have had worries from time to time about the scarcity or even the non-existence of key resources such as food and water. These have been local in impact and many traditional societies had developed cultural ways of coping eg., by migration, by mutual dependence on less affected kin groups, or by going to war. Now that the resource pool is virtually world-wide due to trade and there are so many more human beings around since the 19th century, the dimensions of the anxieties are much magnified. Examples of concerns over resource depletion include for example food. The small proportion of solar radiation which is fixed by photosynthesis suggests that in a carbon dioxide-rich atmosphere, there should be no problem in growing ...

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