[Durham INC] The Republicans were right about billboards after all
Pat Carstensen
pats1717 at hotmail.com
Wed May 7 16:39:58 EDT 2014
http://www.theatlanticcities.com/technology/2014/05/billboard-purifies-air-around-it/9048/
Of course, trees don't need to be plugged into the electrical grid. And there's no reason the technology can't be in public sculpture.
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