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Perhaps you can provide some sources so I can know this is not "just another opinion on your part."
A common impurity in jet fuel is sulfur (~0.05% by weight), which contributes to the formation of small particles containing various sulfur species. These particles can serve as sites for water droplet growth in the exhaust and, if water droplets form, they might freeze to form ice particles that compose a contrail
Perhaps you can provide some sources which indicate that contrails have a net cooling effect.
The sulfuric acid aerosol floats around in the stratosphere for 1-2 years and reflects sunlight. The level in jet fuel is raised each year to match increased greenhouse gas emissions
Are you sure about that? I think you may be talking about proposals regarding low altitude clouds. Here's a proposal to increase the size of cirrus ice crystals to decrease forcing.
It's been determined that smaller aerosol particles in clouds have better effects of increasing the albedo.
iopscience.iop.org...
Due to the expected dominance of homogeneous freezing nucleation at temperatures below −40 ◦C, it may be possible to decrease cirrus cloud coverage by introducing efficient heterogeneous ice nuclei at these temperatures where the cirrus greenhouse effect is strongest. Due to vapor competition effects, this may result in larger ice crystals with higher fall velocities, which should decrease cirrus coverage and increase OLR, thus cooling surface temperatures.
Nature has never defended a cloud,
but when man makes a cloud,
it has to be defended.
That is the question,
why do so many men feel the
need to defend their created clouds?
And how come other men,
cannot question another mans created cloud?
High level clouds increase forcing. The idea is to reduce the amount of high level clouds by seeding them and causing them to precipitate.
How do you suppose a geoengineering project's effectiveness will be with a single "application"?
Particularly if it is meant to be used as a solar radiation screen...or whatever it's meant to be?
Originally posted by Chadwickus
reply to post by pianopraze
Thanks for the reply...
Any thoughts on this question?
How do you suppose a geoengineering project's effectiveness will be with a single "application"?
Particularly if it is meant to be used as a solar radiation screen...or whatever it's meant to be?
“Eugenic goals are most likely to be attained under another name than eugenics.” - Frederick Osborn
“Eugenics views itself as the fourth leg of the chair of civilization, the other three being a) a thrifty expenditure of natural resources, b) mitigation of environmental pollution, and c) maintenance of a human population not exceeding the planet’s carrying capacity. Eugenics, which can be thought of as human ecology, is thus part and parcel of the environmental movement.”
- John Glad “Future Human Evolution: Eugenics in the Twenty-First Century.”
"The general philosophy of UNESCO should be a scientific world humanism, global in extent and evolutionary in background...its education program it can stress the ultimate need for world political unity and familiarize all peoples with the implications of the transfer of full sovereignty from separate nations to a world organization...Political unification in some sort of world government will be required...Tasks for the media division of UNESCO (will be) to promote the growth of a common outlook shared by all nations and cultures...to help the emergence of a single world culture....Even though it is quite true that any radical eugenic policy will be for many years politically and psychologically impossible, it will be important for UNESCO to see that the eugenic problem is examined with the greatest care, and that the public mind is informed of the issues at stake so that much that now is unthinkable may at least become thinkable."
- The first director -general of UNESCO Sir Julian Huxley, 1948, "UNESCO: Its Purpose and Its Philosophy."
The role of education is to awaken the young to the consciousness
of their responsibilities. It is the coming generations whose
task it will be to strengthen international organizations and
ensure their growth.
4.2.2 Atmospheric Aerosols
Aerosols can increase albedo either directly by optical scattering or indirectly by acting as cloud condensation nuclei that increase the albedo and lifetime of clouds by decreasing the mean droplet size. The modification of climate via alteration of cloud and aerosol properties was first proposed in the 1950s (Section 3). The most famous early proposal was by Budyko, who suggested increasing the albedo to counter CO2-induced climate change by injecting SO2 into the stratosphere where it would mimic the action of large volcanoes on the climate.
The decision to implement geoengineering will require a comparison of its benefits, dangers, and costs to those of other responses to global warming. Here we present a brief review of these factors for geoengineering.
It should be noted that in the three years since Crutzen [2006] and Wigley [2006] suggested that, in light of no progress toward mitigation, geoengineering may be necessary to reduce the most severe impacts of global warming, there has still been no global progress on mitigation. In fact, Mauna Loa data show that the rate of CO2 increase in the atmosphere is actually rising.
However, the change of U.S. administration in 2009 has completely changed the U.S. policy on global warming. In the past eight years, the U.S. has stood in the way of international progress on this issue, but now President Obama is - 3 - planning to lead a global effort toward a mitigation agreement in Copenhagen in December 2009.
If geoengineering is seen as a potential low-cost and easy “solution” to the problem, the public backing toward a mitigation agreement, which will require some short-term dislocations, may be eroded. This paper, therefore, is intended to serve as useful information for that process.
03:36PM 33.9500 -118.3167 248° West 173 199 1,300 -180 Southern California TRACON
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03:47PM 33.8833 -118.2500 68° East 183 211 5,000 Southern California TRACON
03:48PM 33.9000 -118.2000 320° Northwest 195 224 5,000 -900 Southern California TRACON
03:36PM 33.9500 -118.3167 248° West 173 199 1,300 -180 Southern California TRACON
03:37PM 33.9333 -118.3667 270° West 180 207 1,900 300 Southern California TRACON
New York's Suffolk County government will held a public hearing on a proposal to ban aerial spraying of aluminum oxide, barium, sulfur, and other salts into the air over the county.
This is that hearing On Dec. 20th 2011, legislators will decide whether to ban geoengineering operations, or this proposed ban will be tabled indefinitely.
Initiated by Cindy Pikoulas and her husband Jim, along with Siobhan Ciresi of Long Island Sky Watch (LISW), with the assistance of chemtrail opponent Rosalind Peterson of Agriculture Defense Coalition, the bill was finalized and proposed by legislator Edward P. Romaine (1st District).
Involved in Suffolk County government since 1989, Romaine is a fiscal conservative who prioritizes saving farmland and protecting the environment. In August, he organized Long Island's first countywide farmers market, along with the Long Island Farm Bureau.
Originally posted by ProudBird
reply to post by Unity_99
Unity....those sorts of "Public Hearings" arise due to the concerted efforts of the same type of un-informed people who still think that "chemtrails" are real.
They are constituents, and sometimes they find elected representatives who will listen to their nonsense. Those same Reps are usually as equally ill-informed, of science and reality.
The vast majority of educated, and rational and experienced people see this as an utter waste of time (much as a lot of government, both local and national, turn out to be)....
Originally posted by ProudBird
reply to post by pianopraze
So, you now agree that the airplanes in your photos were also represented on Flight Aware??
And, this "Geoengineering -caught in the act?" was not true, then?? You are admitting this, NOW??
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