Energy source transitions over time - what comes next?

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This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American


Like many people who read this blog, I’ve been following the climate change talks in Durban, South Africa and wondering what, if anything, will come out of them. Expectations are pretty low all around. It would be humorous if the consequences of inaction weren’t so dang important.

Regardless of what does or doesn’t happen at these talks, we will continue to face the effects of man-made climate change and a dwindling supply of economical, accessible energy supplies. There will be transitions from energy source to energy source to keep up with demand, avoid environmental hazards, or simply to make more money even if governments can’t decide on how to work together.

Transitions from one energy source to another have happened many times before as this chart from the U.S. Energy Information Administration shows:


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What I find interesting is that with each transition, the problems from the outgoing fuel source were replaced with problems of the new source. When petroleum replaced whale oil, whale populations were spared, but now an insanely carbon-intensive fuel source was introduced. Of course, massive technological innovations were literally fueled by the new petroleum economy.

The same is true for wood and coal. When coal replaced wood, deforestation was slowed at the expense water pollution, air pollution, and miner safety.

And you’ll also notice that along the way, new fuel sources popped up to add to a growing list of fuels – things like hydroelectricity and nuclear.

But who knows what future fuel transitions are in store. Perhaps the fuels stay the same while the mix moves around, or advances in energy storage and manufacturing alter the energy landscape. The Durban climate talks are unlikely to shed much light on that.

However, fuel transitions will happen. Change will happen.

As Isaac Asimov once famously said, “the only constant is change, continuing change, inevitable change, that is the dominant factor in society today. No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.”

I’m afraid that if we don’t start changing on our own accord, we’ll be forced to.

David Wogan is an engineer and policy researcher who writes about energy, technology, and policy.

David's academic and professional background includes a unique blend of technology and policy in the field of energy systems. Most recently, David worked at Austin Energy, a Texas municipal utility, implementing a Department of Energy stimulus grant related to energy efficiency. Previously, David was a member of the Energy & Climate Change team at the White House Council on Environmental Quality for the Obama Administration.

David holds two Master's degrees from The University of Texas at Austin in Mechanical Engineering and Public Affairs. While at UT, David was a researcher in the Webber Energy Group, where his research focused on advanced biofuel production to offset petroleum use in the transportation sector. David holds a Bachelor's of Science degree in Mechanical Engineering from The University of Texas at Austin, where he researched nuclear non-proliferation measurement technology.

David is a 2013 Aspen Institute Journalism Scholar, joining a select group of journalists from Slate, ABC News, and The New York Times.

David lives in Austin, Texas. Follow along on Twitter or email him at david.wogan@me.com.

More by David Wogan

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