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Oil and climate change in the age of energy scarcity

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Ricardo Moraes/Reuters/File

(Read caption) Claudinice Silva, 30, carries a bucket of water collected from a nearly dried-up well in northeast Brazil, during its worst drought in 40 years in this May 2012 file photo. The degree of certainty about climate change calls out for immediate and drastic action because we understand how large the risks are, Cobb writes.

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A professor friend of mine recently asked his freshman writing class what makes civilization possible. The students puzzled for a minute and then someone said, "Cities." Of course, that's really just the definition of civilization. "But what makes those cities possible?" the professor asked. No one could really come up with an answer.

Here were students drawn in many cases from rural areas, some of whom lived on farms; and yet, the most basic energy flow in modern civilization—in any civilization—from farm to city in the form of surplus food was completely opaque to them. My friend remarked to me that a century and half of cheap energy in the form of fossil fuels has attenuated our awareness of energy flows so much that we as a society have become essentially unconscious of energy.

That is a state of mind that could only be the product of energy abundance, of an exceptional period in human history when the surplus energy available to society was so great that the average person simply did not have to think about it. And, so as energy scarcity returns to civilization as the norm, we are being forced—often painfully—to become conscious once again of the energy flows in our daily life. As a whole, human societies are only just beginning to wake up to this new era—except, of course, where life has remained close to the land, and failure to understand and create the necessary energy flows (particularly food) has always been tantamount to a death sentence.


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