From: Prof. Gomes (profgomes@geocities.com)
Date: Wed Jan 28 1998 - 18:38:47 MST
At 12:12 28/01/98 -0800, you wrote:
>If anyone has pointed this out, I've missed it. Area to support plants
>is not the only limitation; sunlight, or energy, is equally important.
>The Earth intercepts only so much sunlight. A skyscraper won't change
>that. It casts an area in shadow, and piles up an equivalent area. The
>benefit is that you get climate control; the drawback is that you have
>to build the building. That's it. Agri-Manhattan can't grow much more
>than it could as a conventional farm. What would the extra plants grow
>on?
>
But certain areas really do not need so much light... and if the 'thing' is
well planned...
Do you know how much energy is spent in air-conditioning ( refrigeration)
in tropical zones ???
A good shadow is sometimes v'ry wellcome.... and we save earth's surface...
Great idea...>>> urban agriculture skyscrapers....
Gomes.
Brazil
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