Re: Global Energy etc.

[Bob Sciamanda <trebor@VELOCITY.NET>]

Is not the harnessing of the wind in many ways akin to the harnessing of
flowing water, as in hydroelectric power plants?  I think in both cases
there may be undesired side-effects.

But to your question, I think that in both cases the used energy is
ultimately replaced by the action of the sun.

Bob


Bob Sciamanda (W3NLV)
Physics, Edinboro Univ of PA (em)
trebor@velocity.net
http://www.velocity.net/~trebor

----- Original Message -----
From: "Jim Green" <JMGreen@SISNA.COM>
To: <PHYS-L@lists.nau.edu>
Sent: Friday, January 19, 2001 04:39 PM
Subject: Re: Global Energy etc.


> At 11:47 19 01 2001 , you wrote:
> > Don't complete write off wind energy--it seems to be becoming
> > much more economical than it once was.  Denmark already gets
> > 13% of its electricity from wind, and plans to increase that
> > to 50% by 2030.  Take a look at www.windpower.dk.
>
> Folks, help me out re Wind Power if you will:  I think that it is a
quite
> reasonable assumption to take the Sun as a source outside the system,
but
> the wind???  If the energy of the wind is decreased, what happens to the
> rest of the planet?  Why is that different for using oil or gas?
>
>
> Jim Green
> mailto:JMGreen@sisna.com
> http://users.sisna.com/jmgreen