Author: craigshields

The LED trend is in full swing. LED technology continues to improve in performance, reliability, and efficiency, while simultaneously decreasing in cost throughout the lighting market. Upgrading your existing lighting to a more efficient option can potentially save you hundreds …

From the Mysterious Guest Blogger "Edison Bulb" — Demystifying LED Lighting Rebates: How To Save On Your Next Upgrade Without Breaking A Sweat Read More »

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Most of us agree it is a good idea to do what we can to make our earth a healthier place to live. Kids are impressionable, and will often mirror the behavior they see, so it is vital to instill …

From Guest Blogger Brooke Chaplan: How to Instill More Eco-Friendly Habits into Your Kids Read More »

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Humanitarian and 2GreenEnergy supporter Leo Schwaiger (pictured) sent me this video, with subject line: “The Most Important Speech You’ll Ever Hear–Gary Yourofsky,” and commented, “You may like him.” Yes, he’s amazing. 

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I just had a funny little experience that I thought I’d share.  I was helping my son study for his sociology final, and we came upon the concept of the Malthusian Trap, the prediction that the population will rise to …

Your Influence on the World Read More »

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A reader notes: NRG Energy Inc’s CEO David Crane, a former investment banker who led (the independent power producer) for 12 years, has been removed by his board and investors (including Goldman Sachs) for the reasons given in his statement …

Investment Banks Are Making Huge Investments in Renewables, But There Are Counter-Currents As Well Read More »

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Those of you who caught Dr. James Hansen’s interview yesterday on “Democracy Now!” noted how unimpressed he was with the climate change proceedings in Paris.  In brief, he has low regard for the basic concept emerging from the talks (putting …

On a Carbon Tax Read More »

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Here’s something for all you fans of high-altitude wind. There are at least a dozen variations on the theme, but the concept here, in brief, goes like this: energy is extracted from the high-velocity wind aloft as a kite, attached …

High-Altitude Wind: Examining the Merits Read More »

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Since the invention of a steam pump by Thomas Savery in 1698 steam has been used for multiple processes. Application have included pulling trains, creating electricity from nuclear plants, cooling with an absorption exchanger or simply heating liquid or air …

From Guest Blogger Pooja Maharshi: An Advanced Steam Technology That Shakes The Steam Basics Read More »

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We occasionally encounter people who are steadfast in their belief that, because solar and wind are variable resources, renewable energy cannot power the world. But these folks miss some important points: No one with any education in the subject is …

Renewable Energy: Reasons To Be Bullish Read More »

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When he left the climate talks in Paris a few days ago, U.S. President Obama said: “I mean, you travel around Europe and you talk to leaders of governments and the opposition, and they are arguing about a whole bunch …

Republicans on Climate Change Read More »

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