Author: craigshields

Those of you following the “Keep It In the Ground” campaign, focused on encouraging a migration away from fossil fuels at the maximum practical pace, should be aware of the commitment that Burundi made in this regard.  Here’s an African nation …

These People Can Make a Commitment to Solar—And We Can’t? Read More »

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Question:  Are the manufacturers of renewable energy products at liberty to make any claims they wish, or is there a third-party organization that validates these claims? Answer: Can be found at Clean Energy Answers. Relevance:  SolarCity claims to have built …

Take a COOL Guess – the Fun Quiz on Clean Energy.  Today’s Topic: Renewable Energy Claims Verification Read More »

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My friend Bob Huff (of Brazilian run-of-river hydro fame) sent me this incredible piece on the status of the migration to cleantech in Brazil. I respond:  This is a wonderful production; I’m really impressed with the idea and its execution, …

Renewable Energy in Brazil Read More »

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“If there was one decision I would overrule, it would be Citizens United.  I think the notion that we have all the democracy that money can buy strays so far from what our democracy is supposed to be.”   ~ Ruth …

Citizens United Is On Its Way Out Read More »

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We know a great deal about climate change, but there remains a great deal outside our grasp, of which the role of water vapor is an excellent example.  As discussed in the article linked above, water vapor is the single …

What We Don’t Know About Climate Change Read More »

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Often when we talk about Smart City, the focus falls on the role of technological factors: innovations in energy efficiency, communication and information platforms, and so forth. However, this list often omits the human factor: aspirations, interests and abilities of …

From 2GreenEnergy Intern Fabio Porcu: The Human Aspects of a “Smart City” Read More »

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With respect to my recent piece on climate science, a reader points out:  What is today’s “consensus” may not be tomorrow’s. Yes, the consensus can be wrong.  In fact, it always is, in one way or another.

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Frequent commenter/contributor Cameron Atwood asks: What are your thoughts on this?  Here’s how much of the world would need to be covered in solar panels to power Earth. There are three main issues that this analysis overlooks:

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Frequent commenter MarcoPolo makes two interesting points in his recent post: 1) It’s hypocritical for some Americans to smugly claim a moral victory for less U.S. emissions, while exporting emissions-creating industries overseas, while as customers, re-importing the manufactured products of …

Dialog on Coal as an Energy Source Read More »

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It’s been a while since I reminded readers of the broad capabilities of our “Associates” at 2GreenEnergy, i.e., the folks who fill the (numerous) gaps in my own personal skill-set as a cleantech business consultant, and enable me to make …

Can You Help Move Good Ideas in CleanTech Forward? At 2GreenEnergy, the Answer Is Always the Same: YES Read More »

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