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[VAN DELL JORDAN <vdjor AT yahoo.com>]

I'm sorry I don't remember the source on that.  As far
as I know most of the sunlight warms the air and is
dissapated something like a room that isn't insulated.
 If I remember from that and other sources less than
10% (maybe even much less) of the sun's engergy
actually is retained in the earth for any time.  A
solar collector would retain something more than that.
 This would only have an effect on a very large scale.
Once again I'm not suggesting that use of solar power
is a bad idea.  It is something that we need to work
on.
Van Dell

  
--- Marie McHarry <mmcharry AT gmail.com> wrote:

> On 6/7/07, VAN DELL JORDAN <vdjor AT yahoo.com> wrote:
> > There is, of course, a downside to everything.  
> I've
> > seen a study that indicated that, if solar became
> our
> > primary source of energy, much of the sun's heat
> that
> > currently is reflected away, would be retained on
> the
> > earth.  So much heat would be retained that could
> > cause it's own global warming.
> 
> Can you remember who did the study? It seems that
> sunlight either
> reaches Earth or is reflected away. If it hits a
> plant, then the
> energy is transformed, but it's still on Earth. I'm
> curious to know
> how that would work (unless the solar collectors
> were outside the
> atmosphere?)
> 
> Marie
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