Quote:
Originally Posted by HenrikOlsen
As a privacy screen the trees probably wouldn't need to grow beyond 15 feet.
Ditto for windbreak.
As for shade, the whole point of the matter was that it was the neighbor who got it, and he didn't want it 
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I kind of mixed generalities and specifics in that parenthetic remark. The part that starts "Then there are..." was intended to be about trees in general. I was trying to prevent anybody from getting the idea that I thought the only valid measuring stick for trees vs. PVs was the carbon footprint.
Let me rephrase:
(Of course, trees have value beyond being mere carbon sinks. I'll bet one big reason they were planted in this instance was as a privacy screen. But in general there are also issues of aesthetics, wildlife habitat, shade, wind break, and suchlike that come down on the tree side of the ledger.)