Re: Re: Domestic wind turbine

[Kevin Ellis <forum_mail@xxxxxxxxxxxxxx>]

The stability you talk about is over billions of years, and I agree
life will continue, but that may not be human life!

The planet has never had to deal with the excessive increase in CO2
levels we have seen over the last 50 years, it will respond, but we
cannot predict that response, there are many models, and you have to
make your own informed choice as to which one you believe. We are
simply another species living on this planet, but we have the biggest
impact.

I personally believe we should do our best to plan for the future, if
the planet does sort itself out and we as a species survive (lets
hope we do not have a large meteor strike :-) ) then we will need to
replace fossil fuel, so lets start doing that now. As others posters
have pointed out, one man can make a difference, all the little
things add up to a lot.


On 27 Oct 2005, at 11:05, Mal Lansell wrote:

> --- In ukha_d@xxxxxxx, Kevin Ellis <forum_mail@y...> wrote:
>
>>
>>
>> Just to throw another issue in, when climate change happens and
the
>> earth warms up, which to some people is a good idea, the massive
>> amounts of CO2 locked in the polar ice caps will be released, thus
>> creating a potential positive feedback loop, which in turn will
>> increase the planets temperature and could cause the forests to
die
>> out releasing more CO2 etc.
>>
>>
>
> Given the relative stability of this planet's climate over billions of
> years, there must be some pretty powerful negative feedback forces
> holding things in balance.  There have been periods with much higher
> temperatures and CO2 levels than we have now (or are forcast to have),
> and life did not die out.
>
> I don't subscribe to the extremist view that the world is doomed - it
> will just continue to change, as it always has.
>
> There are plenty of models that show all sorts of odd effects when the
> temperature goes up - more rainfall for one (which could make some
> currently dry areas suitable for farming).  Higher Co2 levels should
> lead to more plant growth - locking at least some of the additional
> Co2 away.
>
> Mal