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3 - Risks, Uncertainties, and Precaution

Published online by Cambridge University Press:  05 June 2014

Darrel Moellendorf
Darrel Moellendorf
Affiliation:
Johann Wolfgang Goethe-Universität Frankfurt
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Summary

“It is a world of change in which we live, and a world of uncertainty. We live only by knowing something about the future; while the problems of life, or of conduct at least, arise from the fact that we know so little.”

– Frank H. Knight

Climate change poses risks of catastrophic changes to human communities and ecosystems. Left unmitigated, the risks of climate change are dangerous, in particular to persons who will be made especially vulnerable by the conspiracy of poverty and geography: those residing in huge mega deltas in North Africa and East Asia, or living along major glacier-fed rivers in Asia and South America, or engaged in subsistence agriculture in the arid regions of central and southern Africa. Climate change also threatens mass extinctions of species. But one thing undeniably true about the future climate is that we do not have detailed knowledge about how different it will be from our present climate. That truth gives us pause. If we don't know, how can we plan for adaptation? Why should we take action to mitigate climate change? If this question is asked rhetorically, it sounds like a form of climate change skepticism. The claim that we do not know exactly what is in store for us if climate change is left unmitigated is not false. But the policy conclusion drawn by climate change skeptics most certainly is.

Type
Chapter
Information
The Moral Challenge of Dangerous Climate Change
Values, Poverty, and Policy
 , pp. 62 - 89
Publisher: Cambridge University Press
Print publication year: 2014

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