Author: craigshields

A reader asked me to comment on this article by Andrew Follett, “Top 11 Problems Plaguing Solar and Wind Power,” in which the author makes his assertions and I respond to each.  Here goes: 1: Power Storage Is Incredibly Expensive …

The Economic Validity of Solar and Wind Power Read More »

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At 2GreenEnergy.com, we often tackle the subject of sustainability in a way that goes far beyond the borders of the energy industry.  For example, it’s a good bet that most of our readers want to know the cause and likely disposition …

Needless To Say, a Sustainable Course To Energy Is Not the World’s Only Problem Read More »

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Energy-efficient homes are more popular than ever, but buyers should expect to pay more if they aren’t careful. In some markets, green homes are sold for as much as nine percent more than the average home. For those that are …

From Guest Blogger Emma Sturgis: Eco-Friendly Escrow–Your Guide to Buying a Green Home Read More »

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One of the most gratifying aspects of functioning as the editor of this website is the opportunity to make friends with folks around the world, many of whom work in disciplines that lie outside of clean energy per se. Longtime …

In Healthcare, as in Energy, We Get What We Reward Read More »

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Rajendra Pachauri, chief of the Intergovernmental Panel on Climate Change and overseer of The Energy and Resources Institute (TERI), was good enough to grant me an interview for my third book (Renewable Energy–Following the Money).  Here is a fabulous picture-book that …

Environmentalists Have a Great Deal to Celebrate Read More »

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A reader notes: In 20 years or so, literally 1% of the land will be covered by PV.  I respond: Even if we powered the whole world with solar, we wouldn’t need 1% of the Earth’s landmass to do it …

Perhaps Sustainability Starts with Energy, But It Certainly Doesn't End There Read More »

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Regarding my post: The Path to Clean Energy, a university professor in Arizona notes:  Craig, I agree with everything, save one thing: why can’t we lead a worldwide effort to spaced-based solar, with huge energy fields in China and India to …

More on the Path To Clean Energy Read More »

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Contrary to popular belief, plants represent a net zero in terms of capturing CO2. While they’re alive, they convert carbon dioxide to sugar, but after they die, those more complex, higher-energy molecules break down and that carbon is re-released into …

Can't Plants Sequester Our CO2 Emissions? — "Take a Cool Guess" Read More »

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For those harboring the erroneous belief that the quality of marketing messages has remained largely unchanged over the past few decades, I offer this:

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It’s hard to over-estimate the importance of biomass as a component to a sustainable mix of renewable energy resources—largely for its capacity to convert streams of waste, many of which are toxic, into useful chemical or electrical energy. That’s the …

Biomass Has Its Pros and Cons Read More »

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