Human Actions and Environmental Impacts
The final chapter of our study of human geography brings to the fore the recurring theme of all geographic study and the unifying thread running through each of the other chapters: human activities and physical environments in interaction. In the first 12 chapters we come to understand how over the past thousand years people in their increasing numbers and growing technological skills have placed their mark on the natural landscape, altering it to conform to their needs. In some instances, such as that of modern cities, the human imprint may be so complete that the original landscape of nature has been totally wiped away and replaced by a created cultural environment. People, we now understand, are the dominant agents in the continuing drama of human-environmental interaction. Ecological alteration, damage, or destruction may be the unplanned and unwanted consequences of the power they possess.
Chapter 13 Human Impacts on Natural Systems: Geographic Outlooks on Global Concerns
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