Re: Heating a City

On Apr 6, 11:23=A0pm, Charles Talleyrand <kitplan...@[EMAIL PROTECTED]
> wrote:
> Lets suppose I've got *lots* of energy to spend, and I only want to
> heat just *one* city. =A0I'd like to raise the ambient temperature 20
> degrees above the surrounding area. =A0YOU ARE LIMITED TO CURRENT
> TECHNOLOGY, but have a VERY VERY LARGE BUDGET. =A0What might be the best
> way to do it? =A0And about-sort-of how much energy might this take?
>
> Ideas: =A0Put large electric heaters on every lamp post.
> Good: =A0Practical if your energy supply is large enough
> Bad: =A0Hard to get a 20 degree rise
>
> Ideas: =A0Heat the water in the canals
> Good: =A0Heating the canals would probably produce a nice even warming
> Bad: =A0Only works in Venice
>
> Ideas: =A0Run hot water under every street and sidewalk
> Good: =A0Nice even heating
> Good: =A0No need for snow removal
> Bad: =A0Needs lots of piping
> Bad: =A0Might lose lots of heat down into the Earth

Something nobody's suggested yet: an orbital mirror to increase the
local sunfall.  (Is an orbital mirror considered non-current
technology?) Or even a LAND mirror.