Luke thank you for your websites clarification of your January flight plans:
*Lift Gas:* *These flights will utilize helium.* *Clouds:We will utilize sulfur dioxide generated by burning sulfur in the presence of oxygen. Each launch will include between 10g and 500g of clouds (target 100g+).* Does this mean on the ground? A. Ritchie and E. B. Ludlam note in *The Oxidation of Sulphur at Low Pressures* (Proc. Royal Society of London. Vol. 138, No. 836 , pp. 635-643) that at the O2 pressures prevailing at elevations in excess of 50,000 feet " below 200° C. there was no appreciable reaction… between sulphur vapour and oxygen." *Flight Body: We're running this body <https://www.highaltitudescience.com/products/eagle-pro-near-space-kit>, and we'll likely add pool noodles for floatation (in case of a water landing).* As Baja California is a peninsula this seems entirely prudent, as long as you warn any hungry sea turtles or whales about not to eat the pool noodles. Given these difficulties, have you considered a location at a similar latitude where pre-oxidized sulfur is freely available: https://vvattsupwiththat.blogspot.com/2023/01/the-next-big-thing-in-tequila-sunsets.html On Tuesday, January 3, 2023 at 12:51:51 PM UTC-5 [email protected] wrote: > Again: can we please not assume I'm an evil AI hoax?? > In spite of having been born in the U.S., I spend 4+ months per year in > Baja and intend to be based here as much as I can. I bought land here over > a year before contemplating starting Make Sunsets. The nefarious reason to > launch from here is that I love it and happened to already have a place > here. > Oliver: as "someone with an interest in developing-country solar > geoengineering research," please consider researching where to launch from > for maximal cooling effect. *I want to launch in/near the tropics > for greater cooling per gram via increased particle residence time > <https://presentations.copernicus.org/EGU21/EGU21-12131_presentation.pdf> > (another > source > <https://www.pnnl.gov/sites/default/files/media/file/Sensitivity%20of%20Aerosol%20Distribution%20and%20Climate%20Response%20to%20Stratospheric%20SO2%20Injection%20Locations.pdf>).* > I agree that we should prioritize the voices of those in the developing > world, and I dream of growing Make Sunsets to where it can provide > meaningful economic opportunities to some residents of island nations whose > very existence is threatened by climate change. > Personally, I find it "completely indefensible" to place the onus on those > most harmed by climate change to initiate work on measures to buy us more > time. > > -------------------- > Luke Iseman > make sunsets <https://makesunsets.com/> : global cooling > On Tue, Jan 3, 2023 at 3:37 AM 'Oliver Morton' via geoengineering < > [email protected]> wrote: > >> As Russell points out, helium is far too valuable to be used for this. As >> Daniele points out, hydrogen does chemistry with alacrtity -- and thus at >> very least wets the stratosphere to a degree which would seem disturbing. >> In suggesting methane i think Andrew has chosen...poorly. >> >> And Josh has his finger on something absolutely crucial. As someone with >> an interest in developing-country solar geoengineering research via my >> relationship with Degrees, I think doing this work in Mexico without >> seeking to involve Mexican researchers or investigation of permitting is >> completely indefensible. As far as I can see, Luke has not provided an >> account for why the flights were launched from Mexico rather than the US, >> and in the absence of such an account it is very hard not to see this as >> developed world actors choosing a developing country venue for nefarious >> reasons. >> >> best, o >> >> >> >> >> >> On Monday, 2 January 2023 at 19:15:40 UTC Andrew Lockley wrote: >> >>> I don't understand your first question. And no, Reviewer 2 doesn't do >>> any background research / verification. It would be dumb to lie about it. >>> >>> Andrew >>> >>> On Mon, 2 Jan 2023, 19:14 Russell Seitz, <[email protected]> wrote: >>> >>>> Technically, there's no there there, and their podcast performance >>>> makes one doubt the intellectual seriousness of their investors >>>> >>>> As a matter of due diligence , have you contacted the VC's whose >>>> allegiance Make Sunsets claims ? >>>> >>>> On Monday, January 2, 2023 at 12:24:55 PM UTC-5 Andrew Lockley wrote: >>>> >>>>> Could you please clarify how you think I've been "punked"? I >>>>> interviewed the founders for 2h, they weren't chatbots. >>>>> https://open.spotify.com/episode/2Fr15fdX20qyyfVX8VCF3Q?si=5Hq3ikM2QS6MVilqYvPZig >>>>> >>>>> I don't think using AI to create content is irresponsible, provided >>>>> it's checked for accuracy. >>>>> >>>>> Andrew >>>>> >>>>> On Mon, 2 Jan 2023, 17:09 Russell Seitz, <[email protected]> wrote: >>>>> >>>>>> Has Andrew Lockley been punked along with James Temple? >>>>>> >>>>>> *Legal Planet '* s sober fisking of Make Sunsets failed to notice >>>>>> its executives most interesting potential liability defense — the >>>>>> ChatGPT AI did it ! >>>>>> >>>>>> Iseman & Song's offering website ran the following >>>>>> >>>>>> *Author's note: 99% of this blog post and title was written using the >>>>>> help of ChatGPT <https://openai.com/blog/chatgpt/> and the hero image >>>>>> was >>>>>> generated using DreamStudio <https://beta.dreamstudio.ai/dream>. The >>>>>> title >>>>>> was generated based off the content of the blog post.* >>>>>> >>>>>> >>>>>> >>>>>> On Monday, January 2, 2023 at 11:34:05 AM UTC-5 Chris Vivian wrote: >>>>>> >>>>>>> Edward Parson has posted a commentary on Legal Planet about the Make >>>>>>> Sunsets concept - see - A Dangerous Disruption - Legal Planet >>>>>>> (legal-planet.org) >>>>>>> <https://legal-planet.org/2023/01/02/a-dangerous-disruption/> >>>>>>> >>>>>>> Chris. >>>>>>> >>>>>>> On Sunday, 1 January 2023 at 02:34:52 UTC Russell Seitz wrote: >>>>>>> >>>>>>>> When I was at MIT, "War Surplus " stores abounded in $5 canned >>>>>>>> hydrogen generators designed to fill radiosonde or life raft rescue >>>>>>>> balloons. The gizmo opened with a can of sardines key to expose the >>>>>>>> calcium hydride within to sea water, and filled the attached 1- >>>>>>>> meter >>>>>>>> balloon in about 15 minutes. >>>>>>>> >>>>>>>> Whereupon, it being sunset on the 4th of July on an easterly beach >>>>>>>> with a westerly wind, we attached a slow magnesium ribbon fuse and >>>>>>>> let it >>>>>>>> go . it traveled some miles downwind and rose perhaps one before >>>>>>>> exploding >>>>>>>> with a pale flash, but no audible pop >>>>>>>> >>>>>>>> The current low cost balloon record seems to be held by the 22 >>>>>>>> meter Le Ballon Air de Paris, filled with 6,000 m3 (210,000 cu ft) >>>>>>>> of helium <https://en.wikipedia.org/wiki/Helium> and terthered >>>>>>>> with a cable winch. It can board up to 30 tourists, max total >>>>>>>> weigh 2,500 kg (5,500 lb) whom it takes to 150 m (490 ft) above >>>>>>>> Paris. >>>>>>>> for 15 minuteas a apsesent fare of sixteen Euros a head. >>>>>>>> >>>>>>>> Though hardly stratospherics, that works out to $194 a tonne >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> On Thursday, December 29, 2022 at 6:18:14 AM UTC-5 >>>>>>>> [email protected] wrote: >>>>>>>> >>>>>>>>> Andrew, >>>>>>>>> I used Hydrogen for 20 years to use for weather balloons. No >>>>>>>>> problem , even when one exploded fir a colleague in a balloon shed ( >>>>>>>>> he has >>>>>>>>> the doors firmly closed and there was a leak , which he knew about). >>>>>>>>> Probably millions of radiosondes were launched with hydrogen. We had >>>>>>>>> a >>>>>>>>> fusion lab where hydrogen was piped around the facility. However, in >>>>>>>>> the >>>>>>>>> Falklands they had a hydrogen making device … ( solid + water). Now >>>>>>>>> that >>>>>>>>> was dangerous. There was one hole in the ground in africa where a >>>>>>>>> hydrogen plant as above had been sited, but using the stuff is a >>>>>>>>> safe. >>>>>>>>> obviously , if you plant a bomb nearby , little is safe ( what was >>>>>>>>> the actual cause of the hind disaster?) >>>>>>>>> >>>>>>>>> i predict trains / trucks / cars will soon be using the stuff. Far >>>>>>>>> greener than Li batteries and I think safer. Never mind the Co2 >>>>>>>>> output. >>>>>>>>> An electric car costs more to produce as regards Co2 than a small >>>>>>>>> petrol >>>>>>>>> car does ( + 70,000) miles of petrol. i should have bought an H2 >>>>>>>>> car, but >>>>>>>>> the problem is there are / were on 11 charging stations in the YK and >>>>>>>>> 8 of >>>>>>>>> them were in the M25 >>>>>>>>> A. >>>>>>>>> >>>>>>>>> T --- >>>>>>>>> Alan Gadian, UK. >>>>>>>>> Tel: +44 / 0 775 451 9009 >>>>>>>>> T --- >>>>>>>>> >>>>>>>>> On 29 Dec 2022, at 11:05, Andrew Lockley <[email protected]> >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> Large weather balloons don't have much over pressure relative to >>>>>>>>> volume, so venting is a challenge. Valves and pumps add weight. >>>>>>>>> Hydrogen >>>>>>>>> has ground handling risks, due to flammability (Hindenberg), and any >>>>>>>>> leaks >>>>>>>>> risk buoyancy loss and the canopy descending loaded. The most extreme >>>>>>>>> scenario is that an out of control failed balloon descends into an >>>>>>>>> enclosed >>>>>>>>> building through an open door, skylight, or Courtyard. In windy >>>>>>>>> conditions, >>>>>>>>> drift into a small industrial unit is perfectly possible, through the >>>>>>>>> roller shutter doors - which could be automatically or accidentally >>>>>>>>> closed >>>>>>>>> behind, trapping the balloon and its flammable payload. This could >>>>>>>>> allow a >>>>>>>>> loaded canopy to leak out into a fully enclosed space, with ignition >>>>>>>>> risks. >>>>>>>>> >>>>>>>>> While such scenarios appear outlandish, with thousands or millions >>>>>>>>> of launches, they become real risks. >>>>>>>>> >>>>>>>>> Andrew >>>>>>>>> >>>>>>>>> On Thu, 29 Dec 2022, 10:19 Stephen Salter, <[email protected]> >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>>> Hi >>>>>>>>>> >>>>>>>>>> I do not understand the bit about bursting. Control of a venting >>>>>>>>>> valve protects the balloon and allows release at the chosen altitude. >>>>>>>>>> >>>>>>>>>> Helium is irreplaceable and needed for super cooling. Is there a >>>>>>>>>> reason not to use hydrogen? >>>>>>>>>> >>>>>>>>>> Stephen >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> *Emeritus Professor of Engineering Design* >>>>>>>>>> >>>>>>>>>> *School of Engineering* >>>>>>>>>> >>>>>>>>>> *University of Edinburgh* >>>>>>>>>> >>>>>>>>>> *Mayfield Road* >>>>>>>>>> >>>>>>>>>> *Edinburgh EH9 3DW* >>>>>>>>>> >>>>>>>>>> *Scotland* >>>>>>>>>> >>>>>>>>>> *0131 650 5704 or 0131 662 1180* >>>>>>>>>> >>>>>>>>>> *YouTube Jamie Taylor Power for Change* >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> *From:* [email protected] <[email protected]> >>>>>>>>>> *On Behalf Of *Daniele Visioni >>>>>>>>>> *Sent:* 28 December 2022 23:51 >>>>>>>>>> *To:* [email protected] >>>>>>>>>> *Cc:* geoengineering <[email protected]> >>>>>>>>>> *Subject:* Re: [geo] Make Sunsets: Clarifications! >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> *This email was sent to you by someone outside the University.* >>>>>>>>>> >>>>>>>>>> You should only click on links or attachments if you are certain >>>>>>>>>> that the email is genuine and the content is safe. >>>>>>>>>> >>>>>>>>>> Luke, >>>>>>>>>> >>>>>>>>>> I will keep finding this rather murky as long as you keep being >>>>>>>>>> so hand-wavy about your numbers and then claiming you can offset a >>>>>>>>>> “substantial amount of warming” in your homepage. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Weather balloons have different bursting altitudes depending on >>>>>>>>>> 1) payload 2) amount of helium used to inflate 3) material. >>>>>>>>>> >>>>>>>>>> You can find an example here with a calculator down below that >>>>>>>>>> lets you calculate max bursting height based on inflation >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> https://www.highaltitudescience.com/products/near-space-balloon-1200-g >>>>>>>>>> >>>>>>>>>> Which balloons did you use? >>>>>>>>>> >>>>>>>>>> How much did you inflate them? >>>>>>>>>> >>>>>>>>>> Did you check with the producer if the mix of SO₂ and He in the >>>>>>>>>> balloon would affect their calculations, and if so how? >>>>>>>>>> >>>>>>>>>> The forcing we’re talking about changes depending on altitude of >>>>>>>>>> release as well: at 19 it’s different than at 25 (and depending on >>>>>>>>>> your >>>>>>>>>> definition, sometimes the tropopause is above 18km..), and above >>>>>>>>>> 29km >>>>>>>>>> sulfate aerosols evaporate because temperatures are too high to form >>>>>>>>>> liquid >>>>>>>>>> aerosols. If the balloon doesn’t burst at the right altitude, what >>>>>>>>>> would >>>>>>>>>> happen to the oxidized S is not so simple - frankly I don’t know the >>>>>>>>>> answer >>>>>>>>>> off the top of my head, there are a few factors that could influence >>>>>>>>>> this. >>>>>>>>>> Do you have studies showing what would happen there based on lack of >>>>>>>>>> water >>>>>>>>>> vapor and different temperature and OH levels? >>>>>>>>>> >>>>>>>>>> If you don’t - and you don’t have any tools to measure it yet - >>>>>>>>>> maybe you should at least tone down the claims already present on >>>>>>>>>> your >>>>>>>>>> website? >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> For some ranges of stratospheric releases of sulfate we have some >>>>>>>>>> numbers for SAI we can be somewhat confident about - not just in >>>>>>>>>> term of >>>>>>>>>> the forcing but in terms of downstream effects on the stratospheric >>>>>>>>>> composition - but this may not be true for what you are proposing or >>>>>>>>>> claiming you are doing. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Lastly, in your Twitter account you claimed in a post 2 days ago >>>>>>>>>> that there are “supporters and scientists who believe in you”. I >>>>>>>>>> would >>>>>>>>>> avoid claiming you have the support of scientists if you don’t - or >>>>>>>>>> show >>>>>>>>>> proofs if you do. As far as any scientist I know is concerned they >>>>>>>>>> don’t >>>>>>>>>> seem particularly impressed - and your lack of clarity goes against >>>>>>>>>> any of >>>>>>>>>> the calls for open and transparent research (not to mention >>>>>>>>>> inclusive >>>>>>>>>> decision making) this community has asked in previous public >>>>>>>>>> statements. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Daniele >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On 28 Dec 2022, at 18:09, Luke Iseman <[email protected]> >>>>>>>>>> wrote: >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Thanks Andrew, Olivier, Bala, and everyone else for diving in >>>>>>>>>> with critiques here. I'm a cofounder of Make Sunsets and want to >>>>>>>>>> clarify a >>>>>>>>>> few things: >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> *Honesty: * >>>>>>>>>> >>>>>>>>>> We have no desire to mislead anyone. If we make a mistake (which >>>>>>>>>> we will), we'll correct it. >>>>>>>>>> >>>>>>>>>> *Radiative Forcing:* >>>>>>>>>> >>>>>>>>>> I didn't make this "gram offsets a ton" number up. It comes from >>>>>>>>>> David Keith's research: >>>>>>>>>> >>>>>>>>>> "a gram of aerosol in the stratosphere, delivered perhaps by >>>>>>>>>> high-flying jets, could offset the warming effect of a ton of carbon >>>>>>>>>> dioxide, a factor of 1 million to 1." >>>>>>>>>> <https://keith.seas.harvard.edu/news/whats-right-temperature-earth> >>>>>>>>>> >>>>>>>>>> and, again: "Geoengineering’s leverage is very high—one gram of >>>>>>>>>> particles in the stratosphere prevents the warming caused by a ton >>>>>>>>>> of >>>>>>>>>> carbon dioxide." >>>>>>>>>> <https://longnow.org/seminars/02015/feb/17/patient-geoengineering/> >>>>>>>>>> >>>>>>>>>> By stating "offsetting the warming effect of 1 ton of carbon for >>>>>>>>>> 1 year," I was trying to be more conservative than Professor Keith. >>>>>>>>>> I am >>>>>>>>>> correcting "carbon" to read "carbon dioxide" on the cooling credit >>>>>>>>>> description right now, and I'm adding a paragraph at the start of >>>>>>>>>> the post >>>>>>>>>> stating that estimates vary, but a leading researcher cites a gram >>>>>>>>>> offsetting a ton. >>>>>>>>>> >>>>>>>>>> For the several hundred dollars of cooling credits we've already >>>>>>>>>> sold, I'll be providing evidence to each purchaser that I've >>>>>>>>>> delivered at >>>>>>>>>> least 2 grams per cooling credit. >>>>>>>>>> >>>>>>>>>> Olivier, or anyone else: I'd be happy to post something by you to >>>>>>>>>> our blog explaining what you estimate the radiative forcing of 1g >>>>>>>>>> so2 >>>>>>>>>> released at 20km altitude from in or near the tropics will be and >>>>>>>>>> why. I >>>>>>>>>> will include language of your choosing explaining that you in no way >>>>>>>>>> endorse what we are doing. >>>>>>>>>> >>>>>>>>>> I very much hope to get suggestions from this community on >>>>>>>>>> instrumentation we should fly to improve the state of the science >>>>>>>>>> here. >>>>>>>>>> Again, I'm happy to do this with disclaimers about how researchers >>>>>>>>>> we fly >>>>>>>>>> things for are not endorsing our efforts. Or even without revealing >>>>>>>>>> who the >>>>>>>>>> researchers are: we'll fly test instruments and provide data, no >>>>>>>>>> questions >>>>>>>>>> asked:) >>>>>>>>>> >>>>>>>>>> *Telemetry: * >>>>>>>>>> >>>>>>>>>> My first 2 flights had no telemetry: in April, this was still in >>>>>>>>>> self-funded science project territory. After burning some sulfur and >>>>>>>>>> capturing the resultant gas, I placed this in a balloon. I then >>>>>>>>>> added >>>>>>>>>> helium, underinflating the balloon substantially, and let it go. >>>>>>>>>> There is >>>>>>>>>> technically a slim possibility that neither of these balloons >>>>>>>>>> reached the >>>>>>>>>> stratosphere, as I acknowledged to the Technology Review reporter. I >>>>>>>>>> will >>>>>>>>>> add Spot trackers to my next flights. These cut out at 18km, so I'l >>>>>>>>>> be able >>>>>>>>>> to confirm that I achieve at least this altitude. If (and this is a >>>>>>>>>> big if) >>>>>>>>>> I'm able to recover the balloons, I'll have a lot more data from the >>>>>>>>>> flight >>>>>>>>>> computer >>>>>>>>>> <https://www.highaltitudescience.com/collections/electronics/products/eagle-flight-computer>. >>>>>>>>>> >>>>>>>>>> I will eventually switch to Swarms >>>>>>>>>> <https://www.sparkfun.com/products/19236?utm_campaign=May%206%2C%202022&utm_medium=email&_hsmi=212205037&_hsenc=p2ANqtz-9EyQOQ6C-9XuSOHa7CggOC8Pf2tEow_Fppo5pXgTHO8-7gV-aHrrYpnPcliws6Ju8j2PBAX3Tkog0oVpwk8XqWX2xo0w&utm_content=212206499&utm_source=hs_email>, >>>>>>>>>> >>>>>>>>>> which should let me transmit more data regardless of balloon >>>>>>>>>> recovery. >>>>>>>>>> >>>>>>>>>> *Pricing: * >>>>>>>>>> >>>>>>>>>> Bala, you're totally right that this should be priced much lower. >>>>>>>>>> We're trying to make enough with our early flights to stay in >>>>>>>>>> business >>>>>>>>>> until we get meaningful traction with customers, and we plan to >>>>>>>>>> eventually >>>>>>>>>> drop prices to $1 per ton or less. >>>>>>>>>> >>>>>>>>>> *Reuse: * >>>>>>>>>> >>>>>>>>>> We are not yet reusing balloons, and Andrew is correct that latex >>>>>>>>>> UV degradation will limit our ability to do so with weather >>>>>>>>>> balloons. Given >>>>>>>>>> that balloon cost is our main expense per gram, even a few uses per >>>>>>>>>> balloon >>>>>>>>>> will dramatically improve the economics here. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> I expect to disagree with some of you, but I hope we can do so >>>>>>>>>> politely and assuming good intentions. >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>> Google Groups "geoengineering" group. >>>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>>> send an email to [email protected]. >>>>>>>>>> To view this discussion on the web visit >>>>>>>>>> https://groups.google.com/d/msgid/geoengineering/550ec54e-4b36-4b6e-b4be-834229c870cen%40googlegroups.com >>>>>>>>>> >>>>>>>>>> <https://groups.google.com/d/msgid/geoengineering/550ec54e-4b36-4b6e-b4be-834229c870cen%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>>>>>> . >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>> Google Groups "geoengineering" group. >>>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>>> send an email to [email protected]. >>>>>>>>>> To view this discussion on the web visit >>>>>>>>>> https://groups.google.com/d/msgid/geoengineering/9942AB80-E648-4DCE-8E51-B7FC7EFF1352%40gmail.com >>>>>>>>>> >>>>>>>>>> <https://groups.google.com/d/msgid/geoengineering/9942AB80-E648-4DCE-8E51-B7FC7EFF1352%40gmail.com?utm_medium=email&utm_source=footer> >>>>>>>>>> . >>>>>>>>>> The University of Edinburgh is a charitable body, registered in >>>>>>>>>> Scotland, with registration number SC005336. Is e buidheann >>>>>>>>>> carthannais a >>>>>>>>>> th’ ann an Oilthigh Dhùn Èideann, clàraichte an Alba, àireamh >>>>>>>>>> clàraidh >>>>>>>>>> SC005336. >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> You received this message because you are subscribed to the >>>>>>>>>> Google Groups "geoengineering" group. >>>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>>> send an email to [email protected]. >>>>>>>>>> To view this discussion on the web visit >>>>>>>>>> https://groups.google.com/d/msgid/geoengineering/AM8PR05MB80359D6D052CF2BA3940E360A7F39%40AM8PR05MB8035.eurprd05.prod.outlook.com >>>>>>>>>> >>>>>>>>>> <https://groups.google.com/d/msgid/geoengineering/AM8PR05MB80359D6D052CF2BA3940E360A7F39%40AM8PR05MB8035.eurprd05.prod.outlook.com?utm_medium=email&utm_source=footer> >>>>>>>>>> . >>>>>>>>>> >>>>>>>>> -- >>>>>>>>> You received this message because you are subscribed to the Google >>>>>>>>> Groups "geoengineering" group. >>>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>>> send an email to [email protected]. >>>>>>>>> >>>>>>>>> To view this discussion on the web visit >>>>>>>>> https://groups.google.com/d/msgid/geoengineering/CAJ3C-05k%2BYfdjymwSQ2o%3D4J0fpnYJ%3D03r8OtiorsaAT2mSiKJQ%40mail.gmail.com >>>>>>>>> >>>>>>>>> <https://groups.google.com/d/msgid/geoengineering/CAJ3C-05k%2BYfdjymwSQ2o%3D4J0fpnYJ%3D03r8OtiorsaAT2mSiKJQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>>>>>>> . >>>>>>>>> >>>>>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "geoengineering" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> >>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/geoengineering/f0172e2d-15f9-451a-ab0c-b070d594f41an%40googlegroups.com >>>>>> >>>>>> <https://groups.google.com/d/msgid/geoengineering/f0172e2d-15f9-451a-ab0c-b070d594f41an%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "geoengineering" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> >>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/geoengineering/c807ddc3-faf6-4663-acb4-1574b2fa6a40n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/geoengineering/c807ddc3-faf6-4663-acb4-1574b2fa6a40n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> >> *This e-mail may contain confidential material. 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