Tag Archives: Thermodynamics

Coal Intensity & Coal Consumption

Today I am continuing my series (which started October 15th) examining the early signs of the global energy transition. In the previous two blogs my emphasis was on use of primary energy and electricity. This week, I’m looking at coal … Continue reading

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Primary Energy: What Fraction Do We Use for Electricity Production?

Last week I looked at changes in electricity use (from 2000-2014), as a fraction of primary energy use, specifically as an early indicator of the energy transition to a more sustainable mix. I paid special attention to a group of … Continue reading

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Expanding Environmental Impact Statements

  I use the cartoon above to teach my students one of the most fundamental tenets of physics, unimaginatively called the “Second Law of Thermodynamics.” A quick Google search will tell you that thermodynamics is, “the branch of physics that … Continue reading

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Immigration: The Physics

Next week I will leave for my summer break. This time we are taking a complicated tour, starting in England a week after the Brexit referendum. Next we will spend a few days in Israel before continuing to Poland, Malta, … Continue reading

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Yes We Can! :(

Yesterday (November 4th) was Election Day in the US. It ended in a big victory for the Republicans, with a matching defeat for the Democrats and President Obama. It will be much more difficult for the President to push an … Continue reading

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Guest Blog: John Morgan: The Catch-22 of Energy Storage and EROI

As I mentioned in my blog on October 21st, I have invited John Morgan to post a guest blog about EROI. This week, he has generously agreed to re-post the article that I mentioned, with an added postscript addressing questions … Continue reading

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Income Inequality – Science Magazine

Science Magazine is addressing inequality; on May 23rd, they came out with a special issue dedicated to the science of the topic (not exclusively – there is other stuff in the issue as well). Other special issues of Science this … Continue reading

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Income Inequality – Piketty

Summer is about to end and school will start soon. In a few days I will be going on a short trip to Israel to give two talks – one at the Weizmann Institute about water management and climate change, … Continue reading

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Desalination: The Science

I discussed the effects of climate change on the water cycle in a previous blog (September 3). I focused on the fact that while the water cycle is not a perfect cycle, our planet, whose surface consists of 70% water, … Continue reading

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