[Terrapreta] Catalyst: Carbon Bigfoot

[lou gold]

This would be the winter greenhouse industry, right?

How is this reflected outdoors where most plants grow?



On Dec 8, 2007 6:07 PM, Kevin Chisholm <kchisholm at ca.inter.net> wrote:

> Dear Lou
>
> lou gold wrote:
> > Hi Duane,
> >
> > del...
> > The only thing that I question is your assertion that we must continue
> > to generate CO2 in order to feed the plants. It seems to me that there
> > is a huge reservoir already available. Do you know of any studies or
> > models that might suggest when CO2 will "peak" and require replacement
> > inputs, perhaps from fossil fuels?
> The Greenhouse Industry has done alot of work, and research papers, on
> the benefits and economics of CO2 to greenhouse atmospheres in teh
> winter, when greenhouse ventilation is low. The plant canopy strips the
> CO2 from teh closed atmosphere very quickly. Commonly propane or natural
> gas is burned, with products of combustion vented into teh growing
> space, to enrich CO2 to enhance plant growth.
>
> A Google search for "greenhouse CO2 Enrichment" gives 21 hits; with no
> quotes, you get about 340,000 hits.
>
> Best wishes,
>
> Kevin
> >
> > hugs,
> >
> > lou
> >
> > On Dec 8, 2007 2:30 PM, Duane Pendergast <still.thinking at computare.org
> > <mailto:still.thinking at computare.org>> wrote:
> >
> >     Morning Sean,
> >
> >
> >
> >     My response to you was totally sincere. After 20 years trying to
> >     follow the climate issue, I'm becoming more and more skeptical
> >     about the dire claims made in the name of climate change due to
> >     greenhouse gas emissions.
> >
> >
> >
> >     I was just trying to point out, that if terra preta lives up to
> >     expectations on this site, there is potential for excess removal
> >     of CO2 from the atmosphere. Danny Day has suggested that we are
> >     seeing the "stumbling steps of a brand new species evolved to
> >     stabilize this recurring imbalance" with reference to the drastic
> >     cycling between ice ages seen in the long term climate change
> >     record. He sees the burgeoning human population, including some
> >     three billion now impoverished farmers, as key to planetary
> >     survival and prosperity. The ultimate outcome of successful
> >     demonstration of terra preta benefits could thus be an incentive
> >     to geo-agricultural engineering on a massive scale. That vision
> >     will be self limiting if plant growth is suppressed by a shortage
> >     of atmospheric carbon dioxide. A next logical step for humanity
> >     could be to continue to transfer carbon from fossil fuel into the
> >     soil.
> >
> >
> >
> >     There is plenty of scope for climate change ballyhoo at the UNFCCC
> >     meeting in Bali and in the media. Kevin Chisholm's gentle
> >     suggestion in his response to your post that the list focus on
> >     demonstrating the efficacy of the terra preta concept has
> >     considerable merit.
> >
> >
> >
> >     Duane
> >
> >
> >
> >     -----Original Message-----
> >     *From:* Sean K. Barry [mailto:sean.barry at juno.com
> >     <mailto:sean.barry at juno.com>]
> >     *Sent:* December 7, 2007 9:51 PM
> >     *To:* still.thinking at computare.org
> >     <mailto:still.thinking at computare.org>; 'lou gold'
> >     *Cc:* 'Terrapreta'
> >     *Subject:* Re: [Terrapreta] Catalyst: Carbon Bigfoot
> >
> >
> >
> >     Hi Duane,
> >
> >
> >
> >     WHAT?!  Is your response to my post "tongue in cheek"?  I hope so
> >     ... or you really do not see things the way I do, either.  Burning
> >     coal and oil has to slow way down, even to stopping altogether.
> >     If coal energy is required, then it has to change over to "clean"
> >     coal, without the release of CO2 emissions.
> >
> >
> >
> >
> >
> >
> >     _______________________________________________
> >     Terrapreta mailing list
> >     Terrapreta at bioenergylists.org <mailto:Terrapreta at bioenergylists.org>
> >
> http://tech.groups.yahoo.com/group/biochar/
> >     http://terrapreta.bioenergylists.org
> >     http://info.bioenergylists.org
> >
> >
> >
> >
> > --
> > http://lougold.blogspot.com/
> > http://www.flickr.com/photos/visionshare/sets/
> > <http://www.flickr.com/photos/visionshare/sets/>
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > Terrapreta mailing list
> > Terrapreta at bioenergylists.org
> > http://tech.groups.yahoo.com/group/biochar/
> > http://terrapreta.bioenergylists.org
> > http://info.bioenergylists.org
>
>
>


-- 
http://lougold.blogspot.com/
http://www.flickr.com/photos/visionshare/sets/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: /pipermail/terrapreta_bioenergylists.org/attachments/20071208/10159e9c/attachment.html