While spontaneous carbonate precip from water is claimed, perhaps they meant
seawater. I might believe this if the nannoparticles somehow override the
significant chemical inhibition of CaCO3 precip (CaCO3 is supersaturated in SW
by 4-6x). Still this would generate CO2g and CaCO3s at the
as well
as
to make their responses or lack thereof available for public scrutiny.
Sent from my iPad
On Jan 31, 2013, at 11:07 PM, RAU greg
gh...@sbcglobal.netmailto:gh...@sbcglobal.net wrote:
The US Congress (after all of the ideas submitted by scientists, NGOs, policy
advisors, and a few
-_You_do_something_to_me.htm
Tell me, why should it be
you have the power to hypnotize me?
Let me live 'neath your spell,
Do do that voodoo
that you do so well.
For you do something to me
that nobody else could do!
On Fri, Feb 1, 2013 at 12:02 PM, RAU greg
gh...@sbcglobal.netmailto:gh...@sbcglobal.net wrote:
Thanks
There is a lot of money to be made in building the technologies and bending
the arc of climate change. - Stern
True, if there are policies and incentives in place to build those markets and
compete with BAU. - Greg
Nicholas Stern: 'I got it wrong on climate change – it's far, far worse'
·
Sea ice in the Arctic Ocean: Role of shielding and consumption of methane
* Xin
Hehttp://www.sciencedirect.com/science/article/pii/S1352231012009934ahttp://www.sciencedirect.com/science/article/pii/S1352231012009934#aff1,
Do doubt pricey. The best carbon benefit would likely be to burn the ethanol
in
place of fossil fuel, but there might also be some credit if substituted for
conventional alcoholic beverages, depending on their respective C footprints..
Cheers,
Greg
Let's try this again:
No doubt pricey. The best carbon benefit would likely be to burn the ethanol
in place of fossil fuel, but there might also be some credit if substituted for
conventional alcoholic beverages, depending on their respective C footprints..
Some nuggets from the article below:
[we need to] find ways to keep temperature increase below 1.5 degrees.
One of those is to use the biology of our planet to pull about half a degree of
warming potential out of the atmosphere before that potential is realized.
Simultaneously, we need to
Thanks, Chris. Artificial or not, I think we can all agree that intelligent
(rather than the alternative) use of technology will be needed to conserve
earth
habitability. Interestingly, CDR seems to have dropped from ETC's s%t list.
Also in their communique they view high tech
Passive Sequestration of Atmospheric CO2 through Coupled Plant-Mineral
Reactions in Urban soils
David A. C.
Manninghttp://pubs.acs.org/action/doSearch?action=searchauthor=Manning%2C+David+A.+C.qsSearchArea=author
*http://pubs.acs.org/doi/full/10.1021/es301250j#cor1† and Phil
Extracting CO2 from seawater would be effective, but still costly, esp with
fuel
production. Biology also does this extraction, but scaling this up (OIF) could
get messy and have unwanted side effects. It would seem much simpler and safer
to chemically consume excess ocean CO2 by converting
Anyone for GE? - Greg
Environmental Research Lettershttp://iopscience.iop.org/1748-9326/ Volume 8
http://iopscience.iop.org/1748-9326/8 Number 1
http://iopscience.iop.org/1748-9326/8/1
Steven J Davis et al 2013 Environ. Res. Lett. 8 011001
New York Times
January 6, 2013
Pulling Carbon Dioxide Out of Thin Air
By ANNE EISENBERG
¶ WHETHER streaming from the tailpipes of cars or the smokestacks of so many
power plants and factories, carbon dioxide emissions keep growing around the
globe.
¶ Now a Canadian company has developed a
A few gems from below:
With mitigation efforts apparently failing to deliver, and the costs of
adapting to climate change
growing disproportionately as global temperatures rise, 'remediation'
in the form of geoengineering is increasingly being considered as a
back-up plan.
Apparently failing? -
Thanks, Josh. Anyone who really cares about stabilizing air CO2 needs to be
aware that in typical CO2-EOR the equivalent of 3 tonnes of CO2 ultimately are
released to the atmosphere via product combustion for every tonne CO2 injected.
Such activity is therefore a strong CO2 source not a net
This study might also be useful for calculating the likelihood that
unconventional actions like SRM and CDR will be necessary to stabilize global
temp, and when. - G
Nature | News Views
Climate change: All in the timing
* Steve
Sorry if this is old news. Maybe it's archived. Gentle Experimentation??
-Greg
Tune in to the third lecture in RFF's Resources
2020http://e2ma.net/go/12972547356/214226886/238995672/1407838/goto:http:/www.rff.org/Resources2020
series:
Thomas C. Schelling
2005 Nobel Laureate in Economic
The present global aerosol program +-ethics. - Greg
Download Image
http://www.nasa.gov/images/content/706644main_705852main_GEOS5_full_full.jpeg
Portrait of Global Aerosols
High-resolution global atmospheric modeling run on the Discover supercomputer
at the NASA Center for Climate Simulation
Thanks Ron. As for Karlen et al's grand solution:
If the CROPS concept is not acceptable to soil and water scientists, what
alternatives are offered to address rising CO2 concentrations? Energy
efficiency
and conservation (29) are certainly a top priority, which is consistent with
the
North
://cruelmistress.wordpress.comhttp://cruelmistress.wordpress.com/
Ethics, Policy Environmenthttp://www.tandf.co.uk/journals/cepe
From: geoengineering@googlegroups.com [mailto:geoengineering@googlegroups.com]
On Behalf Of RAU greg
Sent: Monday, December 03, 2012 10:57 PM
To: geoengineering
³Let¹s play with the one [CO2 emissions reduction] that really matters,²
he [Jim Thomas of ETC] said. ³That¹s
already hard enough.²
OK, there's that moral hazard again, but what about the moral hazard if
our playing (depressingly apt) with CO2 emissions reduction continues to
prove too hard, for
Albedo Impact on the Suitability of Biochar Systems To Mitigate Global Warming
Sebastian
Meyerhttp://pubs.acs.org/action/doSearch?action=searchauthor=Meyer%2C+SebastianqsSearchArea=author
*http://pubs.acs.org/doi/full/10.1021/es302302g#cor1†, Ryan M.
Polar melting is accelerating, and so is sea level rise -- report
Lauren Morello, EE reporter
Published: Friday, November 30, 2012
Ice sheets in Greenland and Antarctica are shrinking three times faster than
they were in the 1990s, and their contribution to global sea level rise is
growing,
by running leaner, using finer nozzles, etc?
Do new shipping routes across Arctic overwhelm this effect?
Is there a press release on this? It's a very important result.
A
On Nov 27, 2012 1:37 AM, Rau, Greg r...@llnl.gov wrote:
Climatic Change
December 2012, Volume 115, Issue 3-4, pp 709-724
Climatic Changehttp://link.springer.com/journal/10584
December 2012, Volume 115, Issue
3-4http://link.springer.com/journal/10584/115/3/page/1, pp 709-724
The effects of rerouting aircraft around the arctic circle on arctic and global
climate
* Mark Z.
Total radiative forcing of all long-lived greenhouse gases was the CO2
equivalent of 473 parts per million in
2011.http://www.wmo.int/pages/mediacentre/press_releases/pr_965_en.html
Geneva, 20 November (WMO) – The amount of greenhouse gases in the atmosphere
reached a new record high in 2011,
In looking at ETC funding sources I see that the HKH Foundation has been a
major
donor:
http://www.etcgroup.org/sites/www.etcgroup.org/files/report/ETC%20Audited%20Financial%20Statements_2010%20copy.pdf
The HKH Foundation is named for Harold K. Hochschild, who was for many years
the executive
A more direct link here:
http://whatnext.org/resources/Publications/Volume-III/Single-articles/wnv3_etcgroup_144.pdf
I thought these nuggets were especially revealing:
Why is geoengineering unacceptable?
It can’t be tested: No experimental phase is possible – in order to have a
noticeable
The wide range of geoengineering technologies currently being discussed makes
it prudent that each technique should be evaluated individually for its ethical
merit.
Amen. - Greg
From: Andrew Lockley andrew.lock...@gmail.com
To: geoengineering
Thanks, the link is quite entertaining. And this one provides an extensive
media history of Cap'n George's exploits:
http://newenergytimes.com/v2/sr/companies/RussGeorge/RussGeorge.shtml
Turning iron into gold? The fish will tell the tale in 2014, though there is no
experiment control group
http://www.vancouversun.com/technology/Haida+iron+dumping+project+sought+Swiss+company+sell+carbon/7442556/story.html
Some nuggets:
'“We saw the obstacle to not being able to sell the carbon credits, ever,” said
Schoppmann…'
Documents obtained by the conservation group Living Oceans show the
Thanks for the info. Then for the sake of the Haida's bank account let's hope
2014 is a bumper year for their salmon harvest. Meantime, is anyone
documenting the organic loading, O2 depletion, CO2 buildup, acidification, and
possibly N2O production beneath the the iron patch?
-Greg
From: Mick
HTTP://WWW.EENEWS.NET/GREENWIRE/PRINT/2012/10/22/9
OCEANS:
Canadian village defends Pacific iron ore dumping
Published: Monday, October 22, 2012
Leaders of a small Canadian village on Friday defended the dumping of 120 tons
of iron ore into the Pacific Ocean, saying it was a legal experiment to
Curiously, no discussion of potential thermodynamics and economics.
-Greg
From: Andrew Lockley andrew.lock...@gmail.commailto:andrew.lock...@gmail.com
Reply-To: andrew.lock...@gmail.commailto:andrew.lock...@gmail.com
andrew.lock...@gmail.commailto:andrew.lock...@gmail.com
Date: Friday, October
to deploy July).
Mark E. Capron, PE
Oxnard, California
www.PODenergy.org
Original Message
Subject: [geo] Natural land air capture nutrient limited
From: Rau, Greg r...@llnl.gov
Date: Tue, October 02, 2012 10:53 am
To: geoengineering geoengineering@googlegroups.com
Possible
Sorry if already discussed. - Greg
GEOENGINEERING:
Scientists suggest deploying asteroid dust to cool the planet
Published: Tuesday, October 2, 2012
A group of Scottish scientists suggests that dust from an asteroid, suspended
in space, could block incoming sunlight and help to cool the
Robert,
I agree, lots of great and sometimes profitable things flow from government
programs that are policy not profit driven. The same must happen with
carbon/climate management. While there may be a few niches where profit from
CO2/climate mitigation might have current profit incentives,
I don't quite follow this line:
Climate Management lets the free market be free, uses technology rather than a
restraint on behavior, and avoids government regulation
Let's hope that there is not a market free-for-all and zero regulation when it
comes to CM (SRM). Didn't the current recession
Eugene,
What then is your opinion on anthropogenic CO2 induced ocean acidification?
Thanks,
Greg
From: euggor...@comcast.net euggor...@comcast.net
To: rev...@gmail.com
Cc: Ken Caldeira kcalde...@carnegiescience.edu; Geoengineering
Andrew and Mike,
Thanks for the recommendations.
Without even trying the type of effort that is suggested, history will likely
be very hard on today’s (and yesterday’s—covering a couple of decades)
leaders.
This would seem the root of the problem because the leaders (and the rest of
us)
Geoengineering allows natural carbon sinks to enjoy all the benefits of high
CO2without the associated drawbacks of high temperatures, and these sinks
become
stronger as a result. From looking at the different sinks, we found that the
sequestration was due almost entirely to the land, rather
Atmos. Chem. Phys. Discuss., 12, 23793-23828, 2012
www.atmos-chem-phys-discuss.net/12/23793/2012/
doi:10.5194/acpd-12-23793-2012
(c) Author(s) 2012. This work is distributed
under the Creative Commons Attribution 3.0 License.
Could aerosol emissions be used for regional heat wave mitigation?
D.
and
modelling communities to work together on a solution for extremely rapid
cooling, starting next spring if at all possible. Please let me know if you
would like to help.
Cheers,
John
---
On Thu, Sep 6, 2012 at 7:59 PM, Rau, Greg r...@llnl.gov wrote:
Arctic ice melt 'like adding 20 years of CO2
Also, the real issue is not finding materials that are the most efficient in
capturing of CO2, but rather how then to efficiently remove and purify that CO2
for storage (since the materials are presumably way to expensive to act as the
storage medium). Using cheap, once through capture
Arctic ice melt 'like adding 20 years of CO2 emissions'
http://www.bbc.co.uk/news/science-environment-19496674
By Susan Watts
Newsnight Science editor, BBC News
The loss of Arctic ice is massively compounding the effects of greenhouse gas
emissions, ice scientist Professor Peter Wadhams has told
GEOENGINEERING:
Scientists suggest 'cloud brightening' to halt hurricanes
Published: Tuesday, September 4, 2012
Brightening clouds over hurricane-forming areas of the oceans could lower
sea-surface temperatures and deprive storms of the heat they need to become
tropical storms or hurricanes,
http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo1554.html
More CO2 leads to less clouds
04.09.2012
A new feedback mechanism operating between vegetation and cloud formation could
enhance the climate change
Presumably fewer clouds will develop in the future over the grass: The
'Vast reservoir' of methane locked beneath beneath Antarctic ice sheet
Scientists say as much as 4bn tonnes of the potent greenhouse gas could be
released into the atmosphere if ice melts
*
Press Association
* guardian.co.ukhttp://www.guardian.co.uk/, Wednesday 29 August 2012 13.00
EDT
I second Andrew's recommendation. One can quibble with the technologies chosen,
the capacity, cost, and readiness estimates (and the UK-centric focus). For
example the capacity of carbonate and silicate weathering would appear to have
been drastically underestimated considering that, baring
Here's the paper (that I posted here Aug 20):
http://www.nature.com/nclimate/journal/vaop/ncurrent/pdf/nclimate1555.pdf
Don't see umbrellas mentioned in the paper, but our point was let's find what
if
any marine management options might be cost effective and safe in the face of
rising CO2.
Arctic cap on course for record melt: US scientistsBy Shaun Tandon (AFP) –
WASHINGTON — The Arctic ice cap is melting at a startlingly rapid rate and may
shrink to its smallest-ever level within weeks as the planet's temperatures
rise, US scientists said Tuesday.
Researchers at the University of
Some thoughts on the need to search for and evaluate new ocean management
approaches in response to CO2 impacts:
http://www.nature.com/nclimate/journal/vaop/ncurrent/pdf/nclimate1555.pdf
-Greg
--
You received this message because you are subscribed to the Google Groups
geoengineering group.
Another air capture perspective:
http://www.pnas.org/content/109/33/13156.full.pdf+html?with-ds=yes
Air capture research is still in its infancy and the practicality of
large-scale deployment needs to be further explored. The inability to produce
accurate cost estimates for a nascent
You mean synthetic, 100% engineered air capture is politically and economically
unrealistic, whereas natural, biogeochemical air capture is an important
economic and apolitical reality (see figure in the NOAA fact sheet) that we
might learn from and improve on(?) See my last post.
- Greg
If anoxia expands so does preservation of sedimentary organic material, thus
increasing the efficiency of the marine biological CO2 pump, assuming surface
nutrients are constant. On the flip side there would be greater production of
NO2, CH4 and H2S gases with GW consequences. Other concerns?
it! If anyone has attempted to mislead the
public about the significance of their work with regarding CO2 capture, its
you
and your partner Greg Rau. Greg has also applied undue pressure attempting to
get a job at Calera, but I have not been able to find any qualified
individual,
and I have tried, who
http://www.nature.com/nature/journal/v488/n7409/full/nature11299.html
Increase in observed net carbon dioxide uptake by land and oceans during the
past 50 years
A. P. Ballantyne,C. B. Alden,J. B. Miller, P. P. Tans J.
W. C. White
Then there are those who argue physics is the major factor in ocean CO2 uptake:
http://phys.org/news/2012-07-discovery-carbon-southern-ocean.html
How about salting the Southern Ocean, increasing surface seawater density and
sinking carbon rich water? Possibly less ecologically impactful than iron
, July 27, 2012 8:41 PM
To: Rau, Greg
Cc: geoengineering
Subject: Re: [geo] Air capture: Modification of the Mg/DOBDC MOF with Amines to
Enhance CO2 Adsorption from Ultradilute Gases
Greg and list
Thanks for the link reminder. I'll look into the ocean numbers more..
(I repeat that) I
Ron,
IPCC list gross land and ocean CO2 influxes of 122.6 and 92.2 GT C/yr,
respectively:
http://www.ipcc.ch/publications_and_data/ar4/wg1/en/ch7s7-3.html
That's a total gross influx from the atmosphere (gross capture) of (122.6+92.2)
x 44/12 = 788 GT CO2/yr. Granted, an almost equal amount
Thanks, Andrew, for the recent updates on DAC. I remain puzzled, however, by
the continuing interest in artificial air CO2 capture when we've got in gross
some 700+ GT of air CO2 capture/yr naturally going on, in net consuming 55-60%
of our CO2 emissions. Contrary to one of the articles*, air
I agree that we are in a street fight to preserve the habitability and
sustainability of the planet from WMD, global warming, disease, etc. It would
be great if this fight were objectively refereed, but regardless wouldn't it
behove us find out what our options are and which if any are viable
Oliver,
Is this a manifesto for SRM, CDR, or both? If the latter then might want to add
OA mitigation to the to-do list, and here are a few other possible tweeks:
To explore the development of a well characterised, reversible technology, the
use of which would help curb a profound harm caused
So 1 tone of added Fe captures 2786 tones of C or 10,214 tones of CO2 (?) Then
the issue is how much of this stays in the ocean for how long. I'll have to
read the fine print.
-Greg
From: Mick West m...@mickwest.commailto:m...@mickwest.com
Reply-To: m...@mickwest.commailto:m...@mickwest.com
http://pubs.rsc.org/en/Content/ArticleLanding/2012/EE/c2ee21586a
Air as the renewable carbon source of the future: an overview of CO2 capture
from the atmosphere
Alain Goeppert , Miklos Czaun , G. K. Surya Prakash and George A. Olah
Energy Environ. Sci., 2012,5, 7833-7853
DOI:
http://www.nature.com/nclimate/journal/vaop/ncurrent/full/nclimate1529.html
Relative outcomes of climate change mitigation related to global temperature
versus sea-level rise
* Gerald A. Meehl, * Aixue Hu, * Claudia Tebaldi, * Julie M.
Arblaster, *
Warren M. Washington,
OK, if political interests are the gatekeepers, are they simply going to lock
that gate, or will they actively work with scientists and engineers to evaluate
the merits and pitfalls of GE? Time is not on anyone's side here and the GE
community has spoken, so if the ball is in the
Thanks, Robert. Interesting indeed, including the 85 comments at the end of
the
article. As for saving the Arctic, if we float stuff out there, won't that
block
the light for the algae? If we wave-pump water up from the depths, won't that
also bring up more CO2? What happens to the pumps in
Guess I'd be a little more cautious about these observations being a good
thing. If widespread: organic loading at depth, anoxia, NOx and CH4
generation? - G
NASA: Increase in CO2 could indirectly lessen effects of global warming
The Capitol Column | Saturday, June 09, 2012
Turns out that
Scientists warn geoengineering may disrupt rainfall
9:38am EDT
By Chris Wickham
LONDON (Reuters) - Large-scale engineering projects aimed at fighting global
warming could radically reduce rainfall in Europe and North America, a team of
scientists from four European countries have warned.
On 02/06/2012 17:41, Rau, Greg wrote:
Greenhouse gas levels pass symbolic 400ppm CO2 milestone
Monitoring stations in the Arctic detect record levels of carbon dioxide,
higher than ever above 'safe' 350ppm mark
Associated Press
guardian.co.ukhttp://guardian.co.uk, Friday 1 June 2012 07.50
Greenhouse gas levels pass symbolic 400ppm CO2 milestone
Monitoring stations in the Arctic detect record levels of carbon dioxide,
higher than ever above 'safe' 350ppm mark
Associated Press
guardian.co.uk, Friday 1 June 2012 07.50 EDT
The Arctic Ocean with leads and cracks in the ice cover of
Can/should GE fill the breach? - G
The .pdf file is on
http://www.atmos-chem-phys.net/12/2399/2012/acp-12-2399-2012.pdf.
Atmos. Chem. Phys., 12, 2399-2408, 2012
www.atmos-chem-phys.net/12/2399/2012/
doi:10.5194/acp-12-2399-2012
© Author(s) 2012. This work is distributed
under the Creative
A charter for geoengineering
Nature
485,
415
(24 May 2012)
doi:10.1038/485415a
Published online
23 May 2012
A controversial field trial of technology to mitigate climate change has been
cancelled, but research continues. A robust governance framework is sorely
needed to prevent further
More than 150,000 methane seeps appear as Arctic ice retreats
Lauren Morello, EE reporter
Published: Tuesday, May 22, 2012
Scientists have found more than 150,000 sites in the Arctic where methane is
seeping into the atmosphere, according to a report published Sunday in the
journal Nature
Interesting how easy it is to get funding for CDR when fossil fuel extraction
is
involved. - G
Dept. of Energy extracts hydrocarbons from sea, sequesters CO2 in Davy Jones'
locker
By John Timmer | Published about 19 hours ago
Today, the US Department of Energy announced it had successfully
Richard S. Lindzen, a professor of meteorology at the Massachusetts Institute
of Technology, is the leading proponent of the view that clouds will save the
day. His stature in the field — he has been making seminal contributions to
climate science since the 1960s — has amplified his influence.
Speaking of thermohaline circulation, this article might provide food
for thought:
...calculations suggest that the water cycle speeds up 8 percent for every
degree Celsius of climate warming.
SCIENCE:
Speedup of ocean water cycle could affect world food supplies
Lauren Morello, EE reporter
http://www.sciencenews.org/view/generic/id/340200/title/Arctic_sea_emits_methane
Arctic sea emits methane
Source of climate-warming gas remains uncertain, but might be microbes
By Janet
Raloffhttp://www.sciencenews.org/view/authored/id/18/name/Janet_Raloff
Web edition : Monday, April 23rd, 2012
ET asks whether engineers should play God, making fundamental changes to the
environment and attempting to control climate change.
Should engineers control the eco-system?
23 April 2012By Anne Harris
With the visible effects of climate change growing, is it time for engineers to
step in
to draw the opposite lesson. Apparently,
he thinks that because we avoided disaster, there was no disaster to be avoided.
On Sun, Apr 22, 2012 at 8:20 PM, RAU greg gh...@sbcglobal.net wrote:
Best wishes to the planet on Earth Day. Now this from our friends at Forbes. -
Greg
Celebrating Earth
Best wishes to the planet on Earth Day. Now this from our friends at Forbes.
-
Greg
Celebrating Earth Day: Is Another Half-Acid Apocalypse On the Way?
What with it being Earth Day and all, it’s a good time to reflect on the sorry
track record of environmental apocalypse prognostication and
Ken weighs in further here:
http://thinkprogress.org/climate/2012/04/15/462803/caldeira-only-ethical-path-is-to-stop-using-the-atmosphere-as-a-waste-dump-for-greenhouse-gas-pollution/
Relatedly, interesting thought about buying fossil fuel extraction rights for
purposes of keeping them stored in
The simplest way to remove carbon from the air is the planting of forests on a
massive scale but the limitations of suitable land, water and nutrients mean it
can only play a small part in reducing emissions. ''Estimates suggest that, at
best, about 2 to 4 per cent of greenhouse gas emissions
Study suggests rising CO2 in the past caused global warming
A paper in Nature shows how increased CO2 in the atmosphere led to warming –
rather than the other way round
*
Fiona Harveyhttp://www.guardian.co.uk/profile/fiona-harvey, environment
correspondent
*
Ken et al.,
As Ken, I also don't have an objection to Direct Air Capture, and to equating
this with centralized industrialized processes. If I have a vat of algae
consuming CO2 to form biomass or a tub of calcium hydroxide spontaneously
sucking CO2 out of the air to form (bi)carbonates, I have
Oxidation of organic matter is by definition exothermic, so once started (and
given enough oxygen, biomass, and initial temp0) the reaction will generate
heat and be locally self sustaining irrespective of ambient T(?)
Greg
- Original Message
From: Andrew Lockley
to make h2 to generate electricity? Isn't
that a bit circular?
Why would you use electro chemistry to accelerate weathering when you can just
let it progress naturally?
A reply to list might be helpful.
A
On Mar 9, 2012 5:40 AM, RAU greg gh...@sbcglobal.net wrote:
John,
Not sure what solar
You mean 2011 AGU?
Speaking of videos, I believe that Jim Hansen has provided the most succinct
and compelling statement yet on CO2 and climate change (no disrespect to Al
Gore):
http://www.ted.com/talks/lang/en/james_hansen_why_i_must_speak_out_about_climate_change.html
Now if he would just
John,
Not sure what solar powered process you are talking out, but re CDR and OA, it
is possible to generate carbon-negative H2 electrochemically using base
minerals (limestone or silicates), seawater, and photovoltaic Vdc *. The
neutralization of the acid normally produced at the anode of a
Further evidence of civilization//ecosystem sensitivity to climate change here:
http://www.sciencemag.org/content/335/6071/956.short
ABSTRACT
The disintegration of the Classic Maya civilization in the Yucatán Peninsula
and Central America was a complex process that occurred over an
CDR removes CO2 from air, non-fossil energy doesn#39;t. So CDR potentially has
greater value e.g. if one wants to get back to 350 ppm sooner rather than
later. Then there are hybrids like BECCS or bio char where you can
(inefficiently) generate C-negative energy. So economic comparison not so
Any specifics on cost benefit? Greg
From: geoengineering@googlegroups.com [geoengineering@googlegroups.com] On
Behalf Of Josh Horton [joshuahorton...@gmail.com]
Sent: Wednesday, February 01, 2012 1:07 PM
To: geoengineering
Subject: [geo] Soil Carbon
It's easy enough to suck CO2 out of the air; just take the cap off a
bottle of conc NaOH, and that can be done at mmoles CO2/gram NaOH, not the
nanomoles per gram these guys seem to swoon over. Then there's the little
problem of what to do once absorbed. Desorbing at 85degC is an improvement
over
kcalde...@carnegie.stanford.edumailto:kcalde...@carnegie.stanford.edu
http://dge.stanford.edu/labs/caldeiralab @kencaldeira
On Wed, Jan 11, 2012 at 12:25 PM, Rau, Greg
r...@llnl.govmailto:r...@llnl.gov wrote:
It's easy enough to suck CO2 out of the air; just take the cap off a
bottle of conc
Dear Friends and Colleagues,
We would cordially like to draw your attention to the following
Goldschmidt
session:
Session 12h. Frontiers in methane biogeochemistry
Methane is a potent greenhouse gas which constitutes an integral part of
the
global carbon cycle. Although methane has been
Link:
http://www.goldschmidt2012.org/
Under Program go to Themes then to Theme 12h
-G
On 1/9/12 9:23 AM, Rau, Greg r...@llnl.gov wrote:
Dear Friends and Colleagues,
We would cordially like to draw your attention to the following
Goldschmidt
session:
Session 12h. Frontiers in methane
Also, I haven't read the literature, but has anyone actually measured the
bubbles to show that it's methane and not H2S, NxOy, CO2, etc. Granted the
former are probably not going to be important on land/freshwater. The images
of the undersea plumes are impressive. Would be really interesting
http://www.globalwarming.org/2011/12/29/should-we-fear-the-methane-time-bomb/
Should We Fear the Methane Time Bomb?
by MARLO LEWIS on DECEMBER 29, 2011
in BLOG, FEATURES
A favorite doomsday scenario of the anti-carbon crusade hypothesizes that
global warming, by melting frozen Arctic soils on
I'm no economist, but isn't this an amazing market disconnect? The need for
CO2 mitigation highest ever, the market value of mitigation plummets. So much
for market and policy driven CO2 response. Lack of effective PR, lobbying, and
outreach I think is to blame, an no, this is not the primary
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