Re: [geo] New Met Resource on Geoengineering

2010-07-27 Thread rongretlarson
Wil and list: Thanks for the lead. I still don't understand how Biochar can be left out of discussions by groups like the Met office and Mr..Boucher There are now 29 separate regional Biochar groups (doubling approximately every year). Does anyone know of any other geoengineering technology

Re: [geo] Creating a real resource for geoengineering

2010-07-30 Thread rongretlarson
Nathan: I am in support of your proposal. Sorry to not be able to supply much of anything you correctly identify as needed. I would urge, however, at least two separate (not combined) tracks: SRM and CDR. They have different roles and different constituencies. I think both have been hurt by

Re: [geo] New Met Resource on Geoengineering

2010-07-30 Thread rongretlarson
John: In part I would agree. I certainly agree on the two needs you identify below. As I said today in a related discussion: saying that geoengineering can answer both problems leaves a wrong or incomplete impression for most lay readers (not this list). I think readers of this list would be

Re: [clim] Re: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC

2010-09-13 Thread rongretlarson
Andrew, Marty etal: There is a third Biomass option - Biochar. Besides sequestration and energy, there is soil augmentation income. - with (potentially) large increases in soil productivity (and food issues - as well as fertilizer reduction, water preservation and more.) Your thought on

Re: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC

2010-09-15 Thread rongretlarson
Geo list, Andrew, David, Marty etal? The third international biochar conference in 4 years, sponsored by IBI (www.biochar-international.org) ended today in Rio de Janeiro. In the next several days, 50 of us will be on the Amazon near Manaus - looking at the several-thousand year old Terra

Re: [clim] Re: [geo] Carbon sequestration workshop Sep 9-10, Heinz Center, Washington DC

2010-09-23 Thread rongretlarson
Stuart, etal: 1. Per your Tuesday message repeated below, I believe an upper limit of 50 tons char per hectare is on the low side of what is possible or desirable. Last week, I was in Brazil looking at depths of terra preta soil that were approaching 1 meter (I have seen photos with 2

Re: [geo] Re: The Need for Climate Engineering Research, in IST, by Caldeira and Keith

2010-09-29 Thread rongretlarson
Prof. Zeng and list: 1. I concur with your objections. But I have another - which is that neither the present article or your own recent discussions on this list use the word Biochar - which I think has great promise, and certainly has received as much public notice as any of the other

Re: IPCC on geo-engineering Re: [geo] geo eng and new Friends of the Earth EWNI report urges very deep and rapid emission cuts

2011-01-03 Thread rongretlarson
David and list: I have read the short description of the Peru meeting at http://www.ipcc-wg2.gov/meetings/EMs/index.html#6 and the proposal at http://www.ipcc-wg3.de/meetings/expert-meetings-and-workshops/files/doc05-p32-proposal-EM-on-geoengineering.pdf I mostly can endorse the need for

Re: IPCC on geo-engineering Re: [geo] geo eng and new Friends of the Earth EWNI report urges very deep and rapid emission cuts

2011-01-03 Thread rongretlarson
Ken and all I like the idea of three concurrent meetings, as you suggest below. Also, I hope there can be some recognition of the way REDD+ will/can fit into the CDR portfolio. - as it seems to be well on its way as the main already-recognized CDR. approach, albeit short term. Ron -

Re: [geo] Wind and wave energies are not renewable after all

2011-04-03 Thread rongretlarson
Nando etal: 1. I take a different message from the original article by Axel Kleidon - still without a date to be published. The first material below is found at: http://www.newscientist.com/article/mg21028063.300-wind-and-wave-energies-are-not-renewable-after-all.html?page=1 2 A draft

Re: [geo] Another look at gunnery? (and adding an alternative Seitz albedo thread topic)

2011-04-04 Thread rongretlarson
Andrew etal 1. I once looked at an all-electromagnetic (linear motor) launch approach that might be a low cost alternative for what you want to do. Should be a lot of literature on it. 2. Changing subject, I don't believe this list has had mention of an alternative (bubbles - entirely

Re: [geo] Fw: Scientists should communicate: the methane time bomb

2011-04-13 Thread rongretlarson
Dr. Lockley and ccs I generally agree with your comments and offer the following as something directly related to arctic/antarctic/methane/time bomb issues - the topic of this thread.. The following is only a personal follow-up to conversations on this list about a week ago re Dr.

Re: [geo] Re: calling all CDRers

2011-04-14 Thread rongretlarson
Albert: 1. Thanks for this information on Bayer. Googling I found a bit more at http://www.chemicals-technology.com/projects/bayer-co2-plastics/ which hints that the catalyst somehow involves zinc. 2. As described, I would put this in the carbon neutral, not CDR category. Of course if the

Re: [geo] Fw: Scientists should communicate: the methane time bomb

2011-04-14 Thread rongretlarson
List (and Andrew and other ccs) In response to Andrew's comment (repeated in full below), Russell this AM sent me the following (in full) with (my presumption) an intent to forward to the list . The ' optical density' to which Andrew Locksley's response refers, ( the term is scarcely

Re: [geo] Re: calling all CDRers

2011-04-14 Thread rongretlarson
Oliver - Again - thanks for an interesting and helpful lead on Forum for the Future. I hope you will keep supplying such l.eads. 1. What you have given below gets more interesting for CDR fans when you read the appreciably longer story at the address you have given below: [

Re: [geo] Re: for Geoe E group Bright Water the movie

2011-04-16 Thread rongretlarson
Mike, Andrew (cc List) 1. Thanks for continuing this dialog. The part I find most encouraging in the last several messages (below) is Andrew's statement in his last paragraph re Bright Water: . It's the most exciting new geoeng idea for a long time... The next most encouraging

Re: [geo] Re: for Geoe E group Bright Water the movie

2011-04-17 Thread rongretlarson
Andrew (with ccs) Again, thanks. Today, mostly commenting only on your remarks back to me - with which I mostly agree. No new topics. But first, I worry that a description of driving through dense fog may mislead some readers not familiar with the Bright Water concept. I hope you agree that

Re: [geo] How would you allocate US$10 million per year to most reduce climate risk?

2011-04-18 Thread rongretlarson
Ken with few ccs 1. Thanks for reporting this $10 M news (and probably for scouting it up) 2. Oliver's note (below) comes closest to my own of the ideas so far put forth. It may be presumptive to assume multi year funding (and anything over $10 million in the first year), but why not

[geo] Re: Ring of Bright Water?

2011-04-21 Thread rongretlarson
List (plus three) The following are three more recent additions to the Bright Water dialog from two of the more active contributing, but non-Geoengineering list members. I believe all others who have already commented on this topic are list-members. Others who should be alerted will hopefully

[geo] Re: [clim] Abstract Deadline April 30 for Geoengineering Poster Session at WCRP Open Science Conference, Denver, Colorado, October 24-28, 2011

2011-05-07 Thread rongretlarson
Professor Robock: (with ccs) In preparing a message about to be sent to you and the same ccs, I found this following message from a few weeks ago. I just found that the abstract deadline has been extended to 15 May - and therefore some on these lists may still find it valuable to send a

[geo] Vatican Report

2011-05-07 Thread rongretlarson
Prof. Robock (with ccs) 1. There has been a good bit of web traffic in the last few days about a report ( Fate of Mountain Glaciers in the Anthropocene), where you are listed as a co-author. The full 17-pp report is down-loadable at

Re: [geo] Re: Vatican Report

2011-05-08 Thread rongretlarson
Josh: I should have noted that important paragraph on carbon dioxide removal (CDR) myself. It was probably the main reason for recommending the report. Thanks for pointing that paragraph out. Re below: I thought it was also important to point out again (ad nauseum - with apologies) that

Re: [geo] Re: Vatican Report

2011-05-09 Thread rongretlarson
Prof. Rau: 1. It will take a while to get around the pay wall for the House article [ ^ House, K.Z., House, C.H, Schrag, D.P., Aziz, M.J. Electrochemical acceleration of chemical weathering as an energetically feasible approach to mitigating anthropogenic climate change. Environ. Sci.

Re: [geo] Re: Vatican Report

2011-05-09 Thread rongretlarson
Greg, List, etal (Hoping that Dr. Hansen finds time to read little items like this - if from Dr. Rau) see inserts below - Original Message - From: Greg Rau r...@llnl.gov To: rongretlar...@comcast.net Cc: geoengineering geoengineering@googlegroups.com, joshuahorton...@gmail.com,

Re: [geo] CDR: Fool's errand?

2011-05-10 Thread rongretlarson
List (cc Dr. Rau, with thanks for alerting us to this interesting APS reporton one form of CDR [below]) 1. I found quite a few citations in addition to the NYTimes report by Mr. Rudolf, but it took a while to get the actual 112 p report. It is at:

Re: [geo] Senate hearing

2011-05-13 Thread rongretlarson
Greg (cc list). Thanks for alerting us to this video, which I have watched. I learned a good bit more from the pre-filed testimony and then reading the (not very long) bill. The bill authorizes (but not appropriates) mainly for a still not quite fixed indemnification process. I would expect

Re: [geo] Re: BECCS -- How much research is going on into biomass energy with carbon capture and storage?

2011-05-24 Thread rongretlarson
Ken, Henrik and list 1. Ken specifically asked about the list's reaction to his final sentence being questioned by Henrik, which read (adding the previous sentence also): If the plants are burned in power plants that capture CO2and store it underground in geologic reservoirs, then the net

Re: [geo] Re: BECCS -- How much research is going on into biomass energy with carbon capture and storage?

2011-05-25 Thread rongretlarson
Henrik and Ken (cc List) 1. Ken - thanks very much for sending the recommended 2002 article by Keith and Rhodes. I had not seen this one. Their plot of electricity costs for three options is one I shall try to add Biochar to (although comparing carbon negativity (this list's focus - at least

Re: [geo] HOME/ETC Group Targets IPCC

2011-06-17 Thread rongretlarson
Alan and list. 1. Thanks for sending the brochure on IPCC-5. I see several places that Geoengineering could appear in each of the four reports, but the words Geoengineering and carbon dioxide removal (CDR) don't stand out anywhere - much less Biochar or even REDD. Which sections will the Lima

Re: [geo] HOME/ETC Group Targets IPCC

2011-06-18 Thread rongretlarson
Holly (cc list): 1. Thanks for entering this dialog - which (to remind) is partly about signing a letter to the IPCC. This is also pertinent to our thread on representation at an IPCC Lima meeting and, lastly,.re claimed HOME/ETC misrepresentations on Geoengineering 2. I found your note

Re: [geo] HOME/ETC Group Targets IPCC

2011-06-20 Thread rongretlarson
Holly (cc Alvia and List) Mostly I agreed with your remarks below. But, like Ms. Gaskill, I was surprised at your statement on rising temperatures. The cruciality of rising temperatures is one of the few areas where most on this list - CDR and SRM alike - agree. We are concerned not about

Re: [geo] Cost of Air Capture and the APS report

2011-06-21 Thread rongretlarson
Robert and ccs 1. Thanks for the added links and information. Not yet mentioned on this list is that your APS panel changed (added?) only one footnote (#18) - and as near as I can tell - changed no conclusions. Still projecting $600/tonCO2, it seems. 2. As you may have noticed there has

Re: [geo] Cost of Air Capture and the APS report

2011-06-21 Thread rongretlarson
Bob etal Thanks for a very complete response. I appreciate the rationale for limit of 2 or 3 or more degrees maximum, but am going to still push for a 1.5 degree limit (ala Jim Hansen) - thinking we might thereby get 2 or 2.5. I feel we could even do 1.5 if we got serious - and of course we

Re: [geo] HOME/ETC Group Targets IPCC

2011-06-23 Thread rongretlarson
Veli etal: I agree with your unhappiness over the phrase Developed countries don't want to pay up (especially since many developing countries have corrupt regimes). However I took this fourth sentence in Ms Buck's second bullet (responding to Michael) a different way. I took it be part of

Re: [geo] Cost of Air Capture and the APS report

2011-06-23 Thread rongretlarson
Robert and list The purpose of this note is to follow up on my, your, and list interest in the Lima meeting. In the spirit of focusing and saving space, I have selectively cut the following to emphasize that problems seem to remain in how Geoengineering technologies are evaluated -

Re: [geo] Ngo reaction to ipcc geo meet

2011-06-23 Thread rongretlarson
Michael etal - especially Jim Mason 1. Re the 5 minute video on Ms Bronson - I was glad to see that and hope you will keep alerting us to such. The surprise to me was her statement just before the 4 minute mark that carbon dioxide was better in the atmosphere than in geologic formations, the

Re: [geo] RE: Aluminum particles as a replacement for sulfate aerosols?

2011-07-13 Thread rongretlarson
Mark etal The phrase aluminum toxicity is seen over and over again in the Biochar literature - in the sense of Biochar having a positive effect. Unfortunately, I have not yet found any technical papers to explain in detail why Biochar should help. The best reference I have found so far on

Re: [geo] September sea-ice gone by end of century? (or much sooner)

2011-07-18 Thread rongretlarson
Ken (cc list ) I have tried (as a rank amateur observer, not participant) to follow this retreatjng September arctic ice topic for the last 5 years. I have come to a different conclusion than expressed in your two articles.. The website I have found most valuable can be located by remembering

Re: [geo] Jim Hansen : 1 to 2DegC and 20m sea level rise

2011-07-25 Thread rongretlarson
List, Andrew, John , David , Ken Andrew - I have re-read the paper you have cited below and decided to try to put the numbers there into the context of the paper by Dr. David Wasdell that you alerted us to on the 20th - which I also. found fascinating. For others, I am referring to a large

[geo] Re: More detail per list member request

2011-07-26 Thread rongretlarson
Steve (cc Geo List and more ccs - adding Dr. Wasdell) 1. Thanks for making your helpful Science paper available for all. 2. I started the latest part of this thread (because Ken kindly referenced your joint paper a few days ago) - so hope you don't mind my carrying my interest a bit further.

Re: [geo] Biofuel watch Science/Policy Review.

2011-07-31 Thread rongretlarson
Andrew and List: I am one of the for-sure others. I find this document to be pretty slick (lots of citations)- but almost entirely of a PR character. I believe none of the authors (none of whom are shown either) have ever done any Biochar experiments nor published anything in the

Re: [geo] CO2 mitigation via biomass-coal co-firing?

2011-08-03 Thread rongretlarson
Ken, List etal: I enjoyed the short video. Thanks to Ken for alerting us. I recommend looking at four others by Near Zero with Mr/Dr. Simbeck- that also have some relation to geoengineering. Here are more thoughts (on all five videos), with advance apologies for turning the dialog to Biochar,

Re: [geo] CO2 mitigation via biomass-coal co-firing?

2011-08-04 Thread rongretlarson
Ken, Julia, List I only today re-read yesterday's note by Ken on Dr. Simbeck's video and saw that I had missed that of Dr. Pongratz. I think hers is the more important; it contains valuable new work. Her video does not, however, talk about managing and harvesting from the reforested area.

Re: [geo] My AGU abstract: We Don¹t Need a ³Geoengineering² Research Program

2011-08-06 Thread rongretlarson
Ken; List and 2 ccs This is to concur in toto with your several messages below in this thread. However, I think this list serves a valuable function and should continue. But, if continued, I think it would be wise to split it into separate SRM and CDR components. I personally would want to be

Re: [geo] Biofuel watch Science/Policy Review.

2011-08-10 Thread rongretlarson
John etal See inserted notes below. - Original Message - From: John Nissen johnnissen2...@gmail.com To: rongretlar...@comcast.net Cc: geoengineering geoengineering@googlegroups.com, andrew lockley andrew.lock...@gmail.com, John Nissen j...@cloudworld.co.uk,

Re: [biochar-policy] Re: [geo] Biofuel watch Science/Policy Review.

2011-08-10 Thread rongretlarson
John several lists (adding one) and ccs (adding two bccs, requesting special help from experts): I am still backlogged, so will try to add more later. But I know this is of utmost importance to you - so bit more below. - Original Message - From: John Nissen j...@cloudworld.co.uk

Re: [geo] Jamais Cascio-- on the problematic idea of 350

2011-08-13 Thread rongretlarson
John - Thanks for bringing this dialog back to climate sensitivity - which obviously is a very key parameter for this list. You seem to have correctly stated the present view of Dr. Hansen as being 3 degrees C per CO2 doubling. But in your second citation to the work of Dr. Wasdell, Hansen's

Re: [geo] RealClimate piece on sea-ice melt

2011-09-09 Thread rongretlarson
Ken, list, and especially adding John Nissen [list individual most often writing on Arctic ice disappearance and clathrate consequences] 1. This is to add a bit on Arctic Ice Volume (and some notes on methane) re this message Ken kindly provided today re the Tietsche paper - which deals

Re: [geo] Re: Monbiot Claims SAI already tested ... with catastrophic results

2011-09-25 Thread rongretlarson
Oliver, Greg etal This is to support your idea below ... to distribute the rock powder on farm / pasture / forest soils , which of course is exactly what Biochar (and no other CDR/NET) does. At a recent meeting in Merida, Yucatan of the Society for Ecological Restoration (SER), the joint

Re: [geo] Re: New report(s) on carbon dioxide removal

2011-09-28 Thread rongretlarson
Duncan, Ning, list: I wholeheartedly support the idea of sequestering through forestry products. The analysis of them is straightforward. But the potential is obviously quite limited compared to the GtC/yr values in your (Duncan's) recent report. So this seems like a good opportunity to ask

Re: [geo] Re: Monbiot Claims SAI already tested ... with catastrophic results

2011-10-02 Thread rongretlarson
Greg and list: Being one of your more active biochar-in-the-soil friends on this list, who is very weak in any biogeochem perspective , I had hoped someone else would jump in re your last sentence below. I have been a little active in combining Biochar and rock dust - but the (so far,

Re: [geo] BPC news

2011-10-04 Thread rongretlarson
Greg, Ken (who gave first report earlier today and was on this panel) and List: 1. I have just read this report and think overall it is a positive contribution. I just sent off a short Report Review written from a Biochar perspective to the Yahoo Biochar-Policy list. I would be glad to send

Re: [geo] BPC news [Climate Strategy Context Circle]

2011-10-04 Thread rongretlarson
Ken, Greg, List: Few comments below. - Original Message - From: Ken Caldeira kcalde...@carnegie.stanford.edu To: rongretlar...@comcast.net Cc: r...@llnl.gov, geoengineering geoengineering@googlegroups.com Sent: Tuesday, October 4, 2011 3:43:32 PM Subject: Re: [geo] BPC news

Re: [biochar-policy] Re: [geo] Biochar Nature paper

2011-10-13 Thread rongretlarson
Sam (cc 2 lists): 1. First, thanks for forwarding my yesterday Geo message to Biochar-Policy. You raise an important question on how to proceed with getting funds for Biochar implementation. My immediate reaction is to support any official policy that is trying to accelerate CDR

Re: [geo] EU Parliament

2011-10-13 Thread rongretlarson
Stephen: 1, Thanks for alerting us (below) to this scale definition issue in the CBD resolution re (both parts of) Geoengineering. Below, I will give one stab at it. First, some more background. I found the official CBD action at: http://www.cbd.int/decision/cop/?id=12299 2. The most

Re: [geo] Slash dot blog post

2011-10-24 Thread rongretlarson
Andrew and list: I found the full original article is more interesting/important than the news article and the 70 some comments that were there a few minutes ago. The main article (free) can be found at: http://iopscience.iop.org/1748-9326/6/4/044006/pdf/1748-9326_6_4_044006.pdf with two

Fwd: [geo] U.S. Defense Science Board Emphasizes Risk of Unilateral Climate Engineering

2011-11-21 Thread rongretlarson
William and list: I happened to have received as separate notification of the DoD report you have identified below and have skimmed the 175 pages. My link was to http://www.fas.org/irp/agency/dod/dsb/climate.pdf - and seemed to download a little faster than the one you give below. The

Re: [geo] GE: Love/hate (cont.)

2011-12-02 Thread rongretlarson
Greg and list: Thanks for keeping this on the front burner. And thanks to the many members of this list for putting in a lot of hard work in preparing this report I have only skimmed through the full new report (identified by Andrew a half day ago (

Fwd: [geo] Charitable donations for geoengineering research

2012-01-13 Thread rongretlarson
List: Here (IBI) is another (tax qualified) alternative for a donation that will promote one of the technologies on the CDR side of geoengineering. Kelpie is an IBI staffer. Ron - Original Message - From: Kelpie Wilson kelp...@gmail.com To: rongretlar...@comcast.net Sent: Friday,

Re: [geo] Crop yields in a geoengineered climate (notes from the blogosphere ...)

2012-01-24 Thread rongretlarson
Ken and list: 1. I have enjoyed the Pongratz article sent recently which is the subject of this NPR interview given below. In it, Dr. Pongratz, you and your co-authors did a pretty good job of separating SRM from Geoengineering. (I don't think the phrase CDR appeared, however) This is to

Re: [geo] study on transitions from coal-based electricity production

2012-02-20 Thread rongretlarson
Ken, cc List 1. I like your analysis. It seems to be a new and needed analytical methodology. Unfortunately, I think many will take it to be quite discouraging about reaching carbon neutrality in the (2030?) time period proposed by Dr. Hansen, even much later. One bright spot however is

Re: [geo] Re: Lindzen presents skeptics' case to UK House of Commons

2012-03-02 Thread rongretlarson
Prof. MacCracken, list and ccs: 1. I thought your 2007 response (cite below) on Dr. Lindzen was really well done. Thanks for going to all that effort. 2. Question #1 - was there ever any response from Dr. Lindzen? (or any other denier?) 3. Question #2 - do you or anyone know how Dr.

Re: [geo] Re: Lindzen presents skeptics' case to UK House of Commons

2012-03-02 Thread rongretlarson
Eugene: 1. Apologies for using the term denier on this list - probably should not have. But in this case I am still torn on the appropriate label. I'd like your opinion in this specific case. 2. My defense is that I have recently tried to read more of Dr. Lindzen's material and found that

Re: [geo] O2 Dropping Faster than CO2 Rising

2012-03-05 Thread rongretlarson
Ken, Bhaskar, list 1. I will respond separately to Bhaskar (and therefor truncate this message re ISIS and biomass/O2). 2. I will respond separately to Ken's defense of Greenpeace received after this . 3. Re Dr. Mae-Wan Ho - I wish that we could treat her remarks as a joke. I find her

Re: [geo] O2 Dropping Faster than CO2 Rising

2012-03-05 Thread rongretlarson
Ken etal 1. This is mainly to say that Dr. Kallio was referencing Dr. Mae-Wan Ho, not Greenpeace, re Oxygen depletion (your question below). I talked about her in my last message and would rather not give her more publicity here on this same topic. Anyone who can't find her quote, let me

Re: [geo] Rapid ocean acidification militates rapid CO2 removal (CDR)

2012-03-08 Thread rongretlarson
John and ccs: There are many estimates of available biomass, although not many for CDR (through Biochar, BECCS, etc). A recent one (still not for CDR) that seems to have been well done is in a new WF report at this site (especially its Section 5 and several appendices):

Re: [geo] PUP Conference Poster

2012-03-10 Thread rongretlarson
Josh: I found your poster to be complete and accurate. I hope you can find a way to squeeze in that the statements shown are for primarily the SRM (and not the CDR) part of Geoengineering. Ron - Original Message - From: Josh Horton joshuahorton...@gmail.com To:

[geo] Calgary meeting on Direct Air Capture - thoughts?

2012-03-22 Thread rongretlarson
List: 1. I thought this list had a very useful dialog a few months ago on the CDR technology called Direct Air Capture (DAC - sometimes Artificial Trees). I have just become aware of an invitation-only meeting on this topic - hosted by the group ISEEE at the University of Calgary on March 6

Re: [geo] Re: Calgary meeting on Direct Air Capture - thoughts?

2012-03-26 Thread rongretlarson
Mark, CC List This is mainly to support your last paragraph below on fossil fuel corporation responsibilities. It is also to comment on your book. Both responses through further inserts below. - Original Message - From: Marc Gunther marc.gunt...@gmail.com To: geoengineering

Re: [geo] Calgary meeting on Direct Air Capture - thoughts?

2012-03-28 Thread rongretlarson
Greg, Ken, and list I concur mostly with what Ken and Greg have below, but write to keep this nomenclature topic alive. This especially responds to Dr. Caldeira (below) who said: We need a clear term that refers to these centralized industrial direct air capture approaches and

Re: [geo] Re: Ocean albedo modification

2012-04-17 Thread rongretlarson
Andrew (cc list) Thanks for keeping this thread alive. I agree this biomass albedo effect is potentially important for both SRM and CDRt. I had prepared a response to your Sunday message and so will just also show it (below this new response). I have not yet had time to get to the library

Re: [geo] New Yorker coverage [podcast streaming and download]

2012-05-12 Thread rongretlarson
Ken, List etal (especially Russell Seitz and Greg Benford) I hope it might be helpful to say a little more about Elzabeth Kolbert's background and thoughts in the areas covered by the recommended audio. She has written much on climate for the New Yorker - andused that to produce a fine 2006

Re: [geo] More SPICE

2012-05-24 Thread rongretlarson
Greg, list etal (acknowledging Josh adding thoughts on this topic) 1. As I have read this material, several things have stood out. First is that the word Geoengineering continues to be a replacement for the phrase; Solar Radiation Management (SRM) which is actually under discussion. I hate to

Re: [geo] New Yorker coverage [podcast streaming and download]

2012-06-04 Thread rongretlarson
Greg etal: Sorry for the long delay in this response. Since your note below, besides reading your own Eagle story in the WELCOME book identified below, I have read or skimmed the other 15 short stories. Yours was by far the most interesting and well-done (from both a climate and

Re: [geo] Free copy of the book 66 Ways to Absorb Carbon and Improve the Earth's Reflectivity

2012-06-11 Thread rongretlarson
Andrew and List: A few weeks ago, I received a hard copy of this 66 book in the mail, but with sender unknown. I have been meaning to send this list some thoughts on the book, so this is a good chance to thank the unknown sender. I recommend the book - for reasons other than that it is free.

Re: [geo] CDR: Arctic phytoplankton - Nature's little geoengineers?

2012-06-11 Thread rongretlarson
Russell and list: In my just-sent message on a new Geo-engineering overview summary e-book, I meant to add that author Risto Isomaki had not included Bright Water. (Too new in the technical literature for a book that was updated in early 2011). But there is a section there on the albedo

Re: [geo] GE/climate regulation

2012-06-21 Thread rongretlarson
List and Drs. Rau and Caldeira : 1. I can agree with the reactions below to some of the material in Dr. Blackstock's Nature editorial and because I think we are on several important topics. a). To answer Dr. Rau's (rhetorical?) question - (obviously) politicians are (unfortunately) waiting

Re: [geo] Eutrace project, info from site

2012-07-17 Thread rongretlarson
Ken and list and Andrew: 1. This is partly to thank you for today's letter from yourself and nine others to Secretary Clinton re the Keystone Pipeline. For others - this is entitled Nation’s Top Climate Scientists: Omitting Climate Change From Keystone XL Pipeline Review Is ‘Neither Wise

Re: [geo] Air capture: Modification of the Mg/DOBDC MOF with Amines to Enhance CO2 Adsorption from Ultradilute Gases

2012-07-26 Thread rongretlarson
Greg and ccs: This is partly to support your concern about Direct Air Capture (DAC), since we are hearing only part of the OM portion of costs. We need to hear more, but I believe the $100/ton CO2 number (likely equivalent to about $300/ton of charcoal) is encouragingly lower than what we

Re: [geo] Air capture: Modification of the Mg/DOBDC MOF with Amines to Enhance CO2 Adsorption from Ultradilute Gases

2012-07-27 Thread rongretlarson
Greg and list Thanks for the link reminder. I'll look into the ocean numbers more.. (I repeat that) I agree with all that you are saying about the large natural fluxes - and our ability to tweak them. I'd appreciate hearing anything quantitative about the potential size of the tweaked fluxes

Re: [geo] Air capture: Modification of the Mg/DOBDC MOF with Amines to Enhance CO2 Adsorption from Ultradilute Gases

2012-07-28 Thread rongretlarson
Greg: Thanks for the additional information. On the AMEG and Biochar-policy lists there has been quite a bit of discussion on combining olivine dust with biochar. The economics of olivine seem quite competitive if the transportation distance is not too large - but this is not my area . I

Re: [geo] Comprehensive assessment of CDR - Friends of the Earth negatonnes report

2012-08-24 Thread rongretlarson
Greg etal I agree that McLaren has helped move the dialog forward; he and FoE deserve our thanks. Of course, I think Biochar could move positively in all four displayed parameters displayed in the Figure 3 you recommend. In justification of my concern that Biochar is under-valued, I urge

Re: [geo] Tyndall center presentation on 4C future

2012-09-16 Thread rongretlarson
List: 1. I found this 70+ slide Ppt by Kevin Anderson (the attachment to Andrew's posting about 14 hours ago) to be a most interesting presentation. It suffers by having no voice. I have not yet found when or where it was presented. In following up, I found that his (and Alice Bows') 2011

Re: [geo] Geo-engineering and Arctic mentioned here.

2012-09-23 Thread rongretlarson
Drs. Gordon, Bhaskar and list: 1. This is first to follow up on Dr. Bhaskar's request to Dr. Gordon, hoping that he will answer his yesterday-question below asking you to explain the : variety of possibilities to explain the warming ... [I have highlighted it and 3 others below] I believe

Re: [geo] Re: nuclear winter, from the archives

2012-09-26 Thread rongretlarson
Andrew and list (cc Andy Rivkin) This is to urge replacement of your controlled burns, bulldozers, etc. in your final sentence, Or would management of fire on the ground with controlled burns, bulldozers, etc . be better? with biopower, biofuels, biochar , etc : Controlled burns and

Re: Oceans? RE: [geo] Natural land air capture nutrient limited

2012-10-03 Thread rongretlarson
Mark, Greg, List I like your idea and will start looking up the macroalgae citations found at your site. But I suggest (as did Greg Rau) that you investigate the biochar alternative to your proposed conversion through biogas. I see three main benefits to biochar over your CCS option as it

Re: Oceans? RE: [geo] Natural land air capture nutrient limited

2012-10-03 Thread rongretlarson
Mark (cc Greg, list) See insert responses below. - Original Message - From: markcap...@podenergy.org To: rongretlar...@comcast.net Cc: r...@llnl.gov, geoengineering geoengineering@googlegroups.com Sent: Wednesday, October 3, 2012 5:59:17 AM Subject: RE: Oceans? RE: [geo] Natural

Re: Oceans? RE: [geo] Natural land air capture nutrient limited

2012-10-05 Thread rongretlarson
Mark etal See below. - Original Message - From: markcap...@podenergy.org To: rongretlar...@comcast.net Cc: r...@llnl.gov, geoengineering geoengineering@googlegroups.com Sent: Friday, October 5, 2012 6:13:36 AM Subject: RE: Oceans? RE: [geo] Natural land air capture nutrient

Re: [geo] Bioenergy with Carbon Capture: Climate Saviour or Dangerous Hype

2012-11-15 Thread rongretlarson
Andrew, cc list I have just finished reading (closer to skimming) the new BFW report on BECCS that you have identified today/below. For any geo list members who are defenders of BECCS, I would love to hear your reactions - as the BFW group has similarly (since 2007) slammed biochar. I

Re: [geo] Mooney, Pat; et al. (2012): Darken the sky and whiten the earth

2012-11-19 Thread rongretlarson
List - with ccs to Greg and others (including at ETC) I write mainly to bring the CDR technologies into our discussion about ETC's views. I hope the following will also be considered as an input into the ethics/philosophy discussion that is taking place simultaneously on this list. I view

Re: [geo] ISU researchers explore the effects of biochar on downstream ecosystems

2012-12-06 Thread rongretlarson
Andrew etal Thanks for catching this interesting news release. The part of most interest to me was this fifth paragraph: “Biochar has been promoted as a win-win-win solution,” Harpole said. “You get energy, you improve soil conditions and increase crop yield.” I will try to alert these

Re: [geo] Re: Congressional Ctte Geoengineering I - Assessing the Implications of Large-Scale Climate Intervention on YouTube

2012-12-08 Thread rongretlarson
Russell and list: Perhaps your comment was meant to wonder why we are being told of this three years later by Andrew. In Andrew's defense, let me note several other factors: a. This (Nov. 5, 2009) was just put up a few days ago by a Mr. Jim Lee. b. Looking at this will lead you to two more

Re: [geo] Re: New EPA report

2012-12-13 Thread rongretlarson
Bhaskar: This is to thank you for you note below - and to hope that we can keep your ocean-pertinent observations on the recent EPA document alive for further discussion. My interest in this oceans topic relates to biochar - almost always land-based. I have been hopeful that the 50% of

Re: [geo] Re: New EPA report

2012-12-13 Thread rongretlarson
Bhaskar and list There is still a good bit I am not understanding, so I would appreciate some citations. But the main one I am not understanding is in the bolded two words in this pair of your sentences: When Diatoms are consumed by zooplankton and fish the oxygen level increases, since

Re: [geo] Re: New Research on OIF

2012-12-15 Thread rongretlarson
Bhaskar and list: 1. a. The original Strand and Benford paper that you are asking about today (and cited by Joshua Jacobs yesterday) is available without fee at: http://pubs.acs.org/doi/full/10.1021/es8015556 b. Shortly thereafter (in 2009, same journal, no fee) there was a pretty strong

Re: [geo] Re: New Research on OIF

2012-12-17 Thread rongretlarson
Chris: Your message below has caused me to delay responding to other messages in this thread. I found the 68 page report to be new (to me), very well written, and one I will now follow up on closely. I found (p 61 (or 63/68) ) that Professor Jones also has a 2011 text book that I have ordered

Re: [geo] Re: New Research on OIF

2012-12-17 Thread rongretlarson
Greg et al See inserts below. - Original Message - From: RAU greg gh...@sbcglobal.net To: rongretlar...@comcast.net, bhaskarmv 64 bhaskarmv...@gmail.com Cc: joshic...@gmail.com, geoengineering@googlegroups.com, Doug Karlen doug.kar...@ars.usda.gov Sent: Sunday, December 16, 2012

Re: [geo] Re: New Research on OIF

2012-12-17 Thread rongretlarson
Stewart and Andrew This being exclusively about BECCS, I answer this before going to Stuart's two earlier messages today re biochar and CROPS. Few inserts - mainly in Andrew's message. - Original Message - From: Stuart Strand sstr...@u.washington.edu To: andrew lockley

Re: [geo] Re: New Research on OIF

2012-12-17 Thread rongretlarson
Stuart (with ccs) It seems best to at least start to answer both of your responses at one time. So I bring here your earlier response today with a few inserts: You wrote (with my inserts): The 2009 paper I wrote with Benford was a quantitative analysis of the ocean sequestration ideas of

Re: [geo] Published in Transnational Law and Contemporary Problems: Geo-Engineering For Global Warming Needs International Laws With Teeth

2013-01-02 Thread rongretlarson
Andrew and list (adding two new ccs): 1. I found the full article (for free) at: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2165372 It is quite complete - 46 pages, 265 footnotes (a good many fewer references - but a lot) 2. Here are the final five paragraphs: IV. TOWARD

  1   2   >