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I have watched some of the trails here in MT dissipate for hours across the whole sky, and I'm sorry but that # ain't normal.
Originally posted by traditionaldrummer
I don't expect to change any minds of the hardcore believers but I will demand evidence to back up their beliefs. Their lack of it is telling enough.
Of course, I believe the mitigation process is well underway,
and agree with Mr. Griffin.
Interviewed by telephone last week, she said she avoids the term "chemtrails" because of its association with conspiracy theorists -- and the tendency of both government and private individuals to be dismissive of "chemtrail believers."
Peterson prefers "persistent jet contrails" as a moniker of choice and said she has been researching the phenomenon since 2002.
According to Peterson's Web site, www.californiaskywatch.com, a wide variety of lingering jet plumes and man-made clouds are contributing to "global dimming" and modifying weather, among other potential effects.
"These jets have a large share in the responsibility of reducing photosynthesis in plants, increasing humidity (allowing mold, mildews and fungus to proliferate), and altering the growing cycle of plants, trees and crops, which impacts the survival of many plant and animal species," according to the Web site.
Peterson said the phenomenon of persistent contrails can be traced back to the late 1980s or early 1990s. Examples can quickly cover the entire sky and turn into a variety of man-made clouds, all with consistent characteristics and dispersion rates, she said.
Citing a variety of government and other public documents, Peterson now believes some jets are involved in experimental weather modification programs, some of which may use potentially hazardous chemicals.
"What the jets are releasing to produce these man-made clouds, I don't know," she said. "... But when we look at the planes that are flying and leaving the ones that really persist, we can't find the logo of any commercial airline on them, and they're usually not running the same patterns commercial airlines have to run to stay on their flight schedules."
A former U.S. Department of Agriculture crop adjuster, Peterson cites research by the National Aeronautics and Space Administration, among others, to indicate that air traffic may be wreaking havoc with natural processes.
According to NASA's Web site, some of the space agency's researchers do think air traffic, including persistent contrails, may have a negative environmental impact. ....
......Peterson also points toward spikes in barium, magnesium, lead, manganese, aluminum, iron, sodium and specific conductance (the ability of water to conduct a charge) in Mendocino County and in other counties throughout California as potential evidence of air-based dispersal of chemicals.
Originally posted by Phage
No. It has nothing to do with contrails.
Presently the most common materials for cloud seeding are dry ice and silver iodide, which has a hexagonal crystalline structure similar to that of ice. Introducing silver iodide into a cloud that contains supercooled water is supposed to induce freezing nucleation, whereas the introduction of dry ice cools the air so much that ice crystal can form spontaneously from the vapor phase. The structure of regular ice is well known at the macroscale with ice structures usually built out of simple hexagonal arrangements of water molecules - this hexagonal building block motif is easily observed in the structures of snowflakes. Ice structures however, are much more mysterious and less well understood at the nanoscale - particularly when ice forms at an interface with matter as is the case in the higher atmosphere with particles of dust. Silver iodide is used because of its hexagonal crystalline structure, but as reported in Nature Materials (March 2009) scientists led by researchers at the London Centre for Nanotechnology (LCN) at UCL have discovered a novel one dimensional ice chain structure built from pentagons showing that ice can build an extended one dimensional chain structure entirely from pentagons and not hexagons.
"This discovery leads to fundamental new understanding about the nature of hydrogen bonding at interfaces (there is no a priori rule that hexagons should form) and suggests that when people are searching for new ice nucleating agents which can be used to seed clouds and cause rain, they do not necessarily need to focus on materials that have hexagonal surfaces - other types of surfaces may be good too," says Dr Michaelides.
Originally posted by GenRadek
Once again, cloud seeding with silver iodide is not chemtrails.
I can tell you just copied and pasted directly from the "chemtrail" site. That particular aircraft has been debunked. I wonder why it is still being spread around.