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Re: fHuman vs. natural influences on the environment



charliew wrote:
> 
> >Global warming is going to happen over one or two lifetimes.
>  If
> >it occurs as predicted, it's simply the equivalent of a
> Pinatubo on
> >the plus side, happening a couple of times per decade, and
> cumulative
> >instead of a one-time event.
> 
> Admittedly, there are events which have altered the
> atmosphere's temperature.  However, if the probability is
> almost nil over one lifetime, I do not consider these events
> to be particularly relevant.  Regarding your statement that
> global warming is going to happen over one or two lifetimes,
> there are a couple of questions that may impact what we want
> to do about it.
> 
> How much warming will occur?
> 
> How much will occur over a specified time period?
> 
> Is this change so fast that nature cannot adapt to it?
> 
> Is this change so fast that man cannot adapt to it?
> 
> One pattern I have noticed in these postings is that people
> seem to insist that no environmental impact whatsoever occur
> as a result of human activities.  There is even an
> implication that humans intervene in a way that we keep
> everything constant where it is.  These implications do not
> seem reasonable to me.  In other words, if you want to lessen
> the impact that humans have on this planet, a good place to
> start is with the number of humans on this planet.  Some of
> the posters in this group may be addressing the symptom,
> rather than the problem.------------------------------------------------
What is the big deal about global warming?  I was taught that when the 
earth warms we have more rain and snowfall so the glaciers increase and 
that refacts more of the solar energy so we cool off again.


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