h a l f b a k e r yFewer ducks than estimates indicate.
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Green streets
Cable supported green trellises covering city streets and suburban highways | |
With all the talk of green roofs, why not expand them out over the streets, just above the street lights. It would absorb noise, pollution and reduce urban heat island effects.
This is basically a small doable version of the "Vertically Stacked Continent" idea (link).
Vertically Stacked Fake Continents
Vertically_20stacke...ake_20continents_2e
[MisterQED, Nov 01 2009]
a slightly more sedate version
Parking_20Forest
honk honk [FlyingToaster, Nov 01 2009]
my attempt...
Gardens_20of_20Babylon_20Awnings
[xandram, Nov 03 2009]
[link]
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Actually, yes, why not? Driving might be a bit
claustrophobogenic, but yes, why not? |
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Not everyone likes driving through tunnels, it would require
more energy to keep the roads lit, smog would build up under
them, solar-powered and solar-assisted vehicles would lose
efficiency, and it would be horrendously expensive. That's why. |
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Yes, but apart from that? |
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You could replace the tarmac with turf, and simply ban all motorised vehicles. |
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It's not a solid layer, I was thinking more like a grid with 20% coverage. Choice of plant would be the challenge to keep it from filling in the gaps and needing little or no tending. I was more worried about ice buildup in the north and animal/bug infestation. The idea isn't all that new, as my town had trees that meshed to cover the main street. Doing that in a city would take decades during which root systems would cause lots of damage and the limbs not facing the street would need to be removed. |
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To solve some of [21Q]'s expense issue, maybe bamboo could be "trained" (no genetic manipulation just topiary) to arch over streets to meet to form the mesh in the right climates. I live near NYC and we have tons of bamboo in the park behind my house. |
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//solar-powered and solar-assisted vehicles would lose efficiency// |
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yeah, this is definitely one of the main reasons it hasn't happened yet. |
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One of my favorite streets around town is a half-kilometer stretch with beautiful old oak trees on either side. The trees have reached at least 20-30m height and they mesh at the top to form a canopy over the street. Quite lovely. [+] |
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Triffids are quick growing ... |
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