Bill,
Apparently we have been about 3 degrees F colder because of human induced
global dimming. Cleaning up air pollution will have a devastating effect on
climate. This is the warming that absolutely is human induced, no doubt
about it. I mentioned global dimming once on the list, nobody said
anything.
-Dave C
On Wed, Sep 30, 2009 at 7:38 AM, wjp <wjp@swcp.com> wrote:
> Dave:
>
> As I understand it, it is unclear what increased CO2 levels will do for
> plant
> growth. I remember studies some 20 or so years ago of enhanced CO2 and
> plant
> production. Apparently many plants would benefit in increased CO2.
>
> The issue, as we know, more complex since one cannot easily only increase
> CO2 in the ecosphere. It will increase surface temperatures, which could
> be good for plant growth as long as there is sufficient water. With
> increasing
> surface temperatures more atmospheric water would be available world wide.
>
> Some of these effects have cliffs and can result in fall offs in plant
> production.
>
> So I'm wondering what is the significance of loss of polar ice caps, aside
> from rising
> sea levels? It will decrease albedo, increasing terrestrial temperatures,
> but increasing water levels increases cloud cover, decreasing albedo.
>
> I suspect that there are stabilizing terrestrial effects that tend to
> offset each other
> discouraging run away.
>
> Anyway, that's what I know.
>
> bill
>
> On Wed, 30 Sep 2009 06:49:37 -0400, Dave Wallace <
> wmdavid.wallace@gmail.com> wrote:
> > This strikes me as immoral.
> >
> >
> http://www.care2.com/causes/global-warming/blog/relax-co2-is-good-for-you/
> >> The Washington Post reports
> >>
> > <
> http://www.washingtonpost.com/wp-dyn/content/article/2009/09/24/AR2009092404797.html?sub=AR
> >
> >> that long-time oil industry executive H. Leighton Steward has teamed
> >> with Corbin J. Robertson Jr., chief executive of and leading
> >> shareholder in Natural Resource Partners, a Houston-based owner of
> >> coal resources, to get out the message that higher CO2 levels will
> >> actually help the Earth's ecosystems. They have invested $1 million
> >> into two new organizations, one to lobby, one to educate the public.
> >> How lucky we are that these fearless oil and coal industry executives
> >> are leading this charge for truth.
> > I voted yes that this add will influence people, meaning that it will
> > increase distrust of the oil industry if the above individuals are
> > actually financing the ads.
> >
> > Even for someone with reservations about the AGW this ad if true sounds
> > like a very bad idea as it seems to suggest we should increase CO2
> > production.
> >
> > Dave W
> >
> > ps I copied Glenn so that we might here a response from him.
> >
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>
>
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Received on Wed Sep 30 09:39:03 2009
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