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I just had a conversation with a building contractor who specializes in eco-friendly residential improvements–in a part of the world where such a specialty is a big deal: Santa Barbara, California.

This was a great opportunity to ask questions about certain technologies that seemed to have great promise, but that, for some reason, never took off.  Among these is building-integrated photovoltaics, or BIPV.  As shown in the photo above, it isn’t on the roof; it is the roof.

The fellow gave me two reason for the slow adoption (failure?) of BIPV:

1) It’s very brittle, which makes roof repairs very difficult without cracking other panels,, and

2) The carbon footprint associated with making BIPV is very high.

Interesting stuff.

Building-Integrated Photovoltaics

Renewable Energy

No Kings Rally

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The many millions of participants in today’s “No Kings” rallies around the world are doing everything possible to avoid hostility between the event supporters and Trump supporters who claim it promotes a “hatred of America” and “domestic terrorism.”

No Kings Rally

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Renewable Energy

Photography of Violence and Hate

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Whether these days of hate and oppression will persist for a “long, long time,” or whether the pendulum is about to swing back the other way remains to be seen.

It’s certainly a terrible time to be an American.

Photography of Violence and Hate

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Renewable Energy

No Hungry Kids

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I just saw a question on social media: do you want your tax dollars going to feed someone else’s kids??

Yes.  I’d like to live in a world in which no kids go hungry, and I don’t have a problem contributing to create that world.

This may sound like a tall order, especially given the variability of wealth in the world’s countries.

But let’s stick with the U.S. for a minute.  In the US, nearly 14 million children live in food-insecure households, a statistic that has risen recently, with some reports indicating that one in five children face hunger.

This is disgraceful.

So again, yes.  Please sign me up to allocate a portion of my tax dollars to feeding hungry kids.

No Hungry Kids

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