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the UK may be conducting a trial to test the feasibility of eventually injecting particulate matter into the atmosphere to cool terrestrial temperatures, but the US has been in full swing at it for nearly a decade. Dozens of aerospace, defence and technical companies like ours have been advising into the initiative for many yearshe US has been in full swing at it for nearly a decade.
In 1997, Edward Teller co-authored a white paper, “Prospects for physics-based modulation of global change”, where he advocated the large-scale introduction of metal particulates into the upper atmosphere to apply an effective “sun screen”.
Throughout the continental US, dozens of tanker and other aircraft are daily applying thousands of gallons of aerosol nano-particulates that serve several objectives, including the purported ability to reflect UV radiation. Similar operations are being conducted in Canada and parts of Europe
Originally posted by pianopraze
CFR symposium:
1. Add small reflecting particles in the stratosphere.
2. Add more clouds in the lower part of the atmosphere.
3. Place various kinds of reflecting objects or diffraction gratings in space either near the earth or at a stable location between the earth and the sun.
4. Change large portions of the planet's land cover from things that are dark and absorbing, such as trees, to things that are light and reflecting, such as open snow-cover or grasses.
1. Stratospheric aerosols
Adding more of the right kind of fine particles to the stratosphere can increase the amount of sunlight that is reflected back into space. This is not hard to do, nor all that expensive. David Keith has suggested that it should be possible to create microscopic reflecting composite particles that would be self- orienting and self-levitating, and thus might not have to be replaced very frequently. Sources: NASA; Boeing; www.carlstumpf.com A single nation could do these within it's national boundaries
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The cost of geoengineering
As noted in the briefing paper: A National Research Council 1992 report estimated the undiscounted annual costs for a 40-year project to be $100 billion.
Teller, Wood and Hyde have suggested that well designed systems might reduce this cost to as little as a few hundred million dollars per year.
If we take cost to be between $100 million and $100 billion per year
www.abovetopsecret.com...
Atmospheric and Environmental Research scientists and engineers help governments and businesses solve the world’s biggest climate issues. We prepare agencies like NOAA, NASA and the Department of Defense
This is the final report for NAS5-97039 for work performed between December 1996 and November 1999. The
overall objective of this project is to improve the understanding of coupling processes among atmospheric chemistry, aerosol and climate, all important for quantitative assessments of global change. Among our priority are changes in ozone and stratospheric sulfate aerosol, with emphasis on how ozone in the lower stratosphere would respond to natural or anthropogenic changes.
The work emphasizes two important aspects:
(1) AER's continued participation in preparation of, and providing scientific input for, various scientific reports connected with assessment of stratospheric ozone and climate. These include participation in various model intercomparison exercises as well as preparation of national and international reports.
(2) Continued development of the AER three-wave interactive model to address how the transport circulation will change as ozone and the thermal properties of the atmosphere change, and assess how these new findings will affect our confidence in the ozone assessment results.
Originally posted by Aim64C
I, honestly, don't think this will have much of an effect on our climate.
However, it still seems a bit unwise. I can't tell you, in maintenance, how much time is spent fixing problems created by people who were just smart enough to be dangerous but not smart enough to know what they were doing.
So, when we have the "Snowpocalypse: redux" this year, can I blame these geo-engineering attempts? I mean... I enjoy several feet of snow as much as everyone else around here does - but it kind of reminds me of the arguments for a 'surprise ice-age' that is even immortalized in a FarSide cartoon.
Anthropogenic stratospheric aerosol injection would cool the planet, stop the melting of sea ice and land-based glaciers, slow sea level rise, and increase the terrestrial carbon sink, but produce regional drought, ozone depletion, less sunlight for solar power, and make skies less blue. Furthermore it would hamper Earth-based optical astronomy, do nothing to stop ocean acidification, and present many ethical and moral issues. Further work is needed to quantify many of these factors to allow informed decision-making.
Originally posted by Drew99GT
I was a skeptic, but I'm becoming more convinced!
Originally posted by Eurisko2012
Originally posted by Drew99GT
I was a skeptic, but I'm becoming more convinced!
Good news: i have a gut feeling they actually know what they are doing.
It's just technology.
Originally posted by Eurisko2012
Originally posted by Drew99GT
I was a skeptic, but I'm becoming more convinced!
Good news: i have a gut feeling they actually know what they are doing.
It's just technology.
Originally posted by Drew99GT
Originally posted by Eurisko2012
Originally posted by Drew99GT
I was a skeptic, but I'm becoming more convinced!
Good news: i have a gut feeling they actually know what they are doing.
It's just technology.
Hitler knew what he was doing. I'm just sayin...
Messing with the atmosphere on such a large scale can't be good.
Originally posted by Drew99GT
Hitler knew what he was doing. I'm just sayin...
Messing with the atmosphere on such a large scale can't be good.
Caldeira and physicist David Keith of the University of Calgary in Canada have been in charge of deciding how to dispense the money. The pair have been informal energy and climate advisers to Gates for several years, and they say they remain independent. "This is philanthropic money and when it arrives [to Calgary] Gates does not control it," says Keith.
Recipients of the funding include Armand Neukermans, an inventor based in Silicon Valley who is working with colleagues to design spray systems for the marine clouds, and students and scientists working for Keith and Caldeira. Funding has also helped support scientific meetings in geoengineering in Cambridge, Massachusetts, and Edinburgh, Scotland, and aeronautics research related to altering the stratosphere.
There are other grantees, Keith says, but he declined to identify them or say why. "This is like a little private funding agency," he says, though he says they plan to release more information. news.sciencemag.org...