Tag: cleantech concepts

Here’s a video that presents four different cleantech concepts, with an interesting mix of validity. The first, covering city streets with a reflective white coating, is completely valid, as it causes a significant percentage of the incoming solar radiation to …

Video on CleanTech Read More »

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I thought readers might be interested in this note I just sent to an old friend who’s getting on in years and has become concerned that humankind has gotten off the track vis-a-vis sustainability.  As a man of reason and compassion, …

A Few Ideas for Those Who Want To Make a Difference Re: Sustainability Read More »

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