[Platform] Nat, when you get a free moment?Re: [Fossil Fuels] Geophysical Research Letters: stabilizing climate requires near-zero emissions

[Gracegrnrnbw at aol.com]

Nat - when you can - I really am concerned about this - and I would like, at 
least, to be able to post it broadly but I need to understand more in case I 
get questioned - As you know, the global warming stuff is profoundly imporant 
to me - Thanks,Grace
In a message dated 3/8/08 9:11:28 AM, Gracegrnrnbw at aol.com writes:


> Nat - I went to the link and it does not let you read this article - but 
> the
> conclusions are much mor grave than anything I have seen - are you signed 
> into
> this group to be able to read their paper?   Do you agree with it?   Is this
> a pier-reviewed article?   And/or do you have a way to tell if it is 
> somehting
> you trust from what you know about the authors evenif you cannot access the
> whole article?
> 
> I am asking because I wonder if we should be publicizing this (was it 
> broadly
> pulicized and I just missed it?) And because zero-emissions I cannot figure
> out what that means....
> 
> As animals I think being alive means we put out CO2?   And the food we each
> emits CO2 in growing it, right?
> 
> Thanks, Grace
> In a message dated 3/2/08 8:18:51 PM, nat.fortune at comcast.net writes:
> 
> 
> >
> > LIMITING EMISSIONS MAY NOT BE ENOUGH
> >
> > CLIMATE PROGRESS - Avoiding climate catastrophe will probably require
> > going to near-zero net emissions of greenhouse gases this century. That
> > is the conclusion of a new paper in Geophysical Research Letters. . .
> > Here is the abstract:
> >
> > "Current international climate mitigation efforts aim to stabilize
> > levels of greenhouse gases in the atmosphere. However, human-induced
> > climate warming will continue for many centuries, even after atmospheric
> > CO2 levels are stabilized. In this paper, we assess the CO2 emissions
> > requirements for global temperature stabilization within the next
> > several centuries, using an Earth system model of intermediate
> > complexity. We show first that a single pulse of carbon released into
> > the atmosphere increases globally averaged surface temperature by an
> > amount that remains approximately constant for several centuries, even
> > in the absence of additional emissions. We then show that to hold
> > climate constant at a given global temperature requires near-zero future
> > carbon emissions. Our results suggest that future anthropogenic
> > emissions would need to be eliminated in order to stabilize global-mean
> > temperatures. As a consequence, any future anthropogenic emissions will
> > commit the climate system to warming that is essentially irreversible on
> > centennial timescales."
> >
> > [Among the findings]
> >
> > - "Our results suggest that if emissions were eliminated entirely,
> > radiative forcing from atmospheric CO2 would decrease at a rate closely
> > matched by declining ocean heat uptake, with the result that while
> > future warming commitment may be negligible, atmospheric temperatures
> > may not decrease appreciably for at least 500 years.
> >
> > - "We have shown here that stable global temperatures within the next
> > several centuries can be achieved if CO2 emissions are reduced to nearly
> > zero. This means that avoiding future human-induced climate warming may
> > require policies that seek not only to decrease CO2 emissions, but to
> > eliminate them entirely.
> >
> > http://climateprogress.org/2008/02/28/stabilizing-climate-requires-
> > near-zero-emissions/
> >
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> >
> >
> 
> 
> 
> 
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- Grace C Ross
2006 Gubernatorial Candidate, Commonwealth of Massachusetts

"Privilege corrupts; Absolute privilege corrupts absolutely. Because we 
recognize the power of love, the power of faith, the power of our connection to 
each other, it became important to specify that it is positions of power combined 
with a sense of differentiated entitlement that is really dangerous."



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