Author: craigshields

Millions of individuals, groups, and companies around the world are dedicated to saving the planet. With an increasing number of businesses ‘going green’ and homeowners being educated regularly about living in more of an eco-friendly manner, it’s safe to say …

A Contributed Post: How College Students Can Be Kinder to the Environment Read More »

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In addition to all the practical considerations associated with the electric vehicle adoption curve, there is the “cool factor.”  But that’s a little nebulous, isn’t it?  The subject of “what makes something cool” has been studied exhaustively, and it’s unclear …

Why Electric Bikes Are Cool Read More »

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Here’s an idea for converting ocean wave energy to electricity that a fellow in New York sent me this morning. This is near the bottom of the scale of the ideas I receive, as it: 1) Invokes a technology that …

Ocean Wave Hydrokinetics May Be Drying Up Read More »

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As I’ve mentioned, my colleague Fritz Maffry is quite certain that the tech industry will lead our civilization to a good place.  I agree; in fact, that was one of the chapters in my most recent book, Bullish on Renewable …

The Technology Sector Continues to Dominate the Global Marketplace Read More »

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As political activists, especially those with an anti-war bent, mourn the death of Tom Hayden, it’s a good time to remember the incredible importance of strong-willed people in determining the course of history. 

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Frequent commenter Frank Eggers notes on my post on the Dakota Access Pipeline: The material will be shipped whether or not the pipeline is built. If it is not shipped by pipeline, it will be shipped by rail and rail …

When’s It Time To Stop Building Pipelines? How About Now? Read More »

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Here’s a question that I just fielded on Quora.com (which is a very cool website, btw).  When will fossil fuels be depleted? Never.  Yes, there is a finite amount of coal, oil, and natural gas beneath the Earth’s surface, and …

The Depletion of Fossil Fuels Read More »

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When I tutor young people in history, I normally wind up drawing a time-line to help put things in perspective.  In fact, my first rule for teaching (or learning) anything is: If it can be drawn, draw it.

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A reader offers: This concept in geothermal is interesting.  And why isn’t Hawaii doing this? It’s not like they don’t have lava at their disposal. The issue is sometimes cost-effectiveness vis-a-vis competitive forms of energy.  Costa Rica has lots of …

Geothermal in Iceland, Hawaii Read More »

Here’s a new idea in the quest to reduce or remove the variability of wind energy: an integrated water reservoir, making use of the huge watertight tower.  This creates a (small) pumped hydro energy storage solution without the elevation change.  …

Cool New Idea in Wind Turbines Read More »

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