The State of the Earth by Paul K. Conkin

Author:Paul K. Conkin
Language: eng
Format: epub
Publisher: The University Press of Kentucky

PART FOUR

Climate Change

Today the most complex environmental issue facing humans is the threat of rapid climate change. Warming has clearly occurred over much of the earth during the last three decades. Will it continue? What are its causes? How much has human action been a vital, necessary condition for such warming? And what can humans do to slow the warming, or to deal effectively with its consequences? It is not easy to clarify these issues, but I will try to do as much as possible in two chapters. In chapter 7, I will look at the dynamics of climate and survey long-term trends. In particular, I will consider the implications of our present glacial cycles, and the possibilities of very rapid climate change in the near future. In chapter 8, I will try to clarify the range of complex issues that are involved in the present warming of our climate, and the degree to which human emissions of greenhouse gases are necessary conditions of such warming.

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