Has anyone else heard of chem trails? They are clouds put in the sky from the jets,
People are saying that they are not the regular condensation clouds but chemical clouds.
The theary is that they are trying to stop the global worming by creating these chemical clouds. Scarry, what do you think?

Chemtrails: Clouds of Death (http://oneheartbooks.com/resources/videos/clouds_of_death.htm)
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Chemtrails - TinWiki.org (http://tinwiki.org/wiki/Chemtrails)
Chemtrails, though often considered fake, are a interesting conspiracy theory. Believers claim that military aircraft or UFOs are spraying vast amounts of chemicals, iron, alluminum, barium and radium over the world for purposes of Mind control, mental disruption, and poisoning, some say for the New World Order.

Though skeptics say that they are no more than ordinary condensation trails (contrails), there have been numerous accounts otherwise.

Claims

The usual claims of chemtrails are that the government of several countries are spraying minerals and chemicals in harmful amounts overtop populated areas, sometimes having fallout. Supposedly, people have been suddenly stricken with serious influenza-like illnesses, and even killed, cloud cover has almost doubled since the beginning of the spraying, global warming has sky rocketed, and there have been more illnesses because of the spraying. The chemtrails are sprayed in X's, swirls, straight lines, grids and small sections at a time.
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Spray Aircraft

Usually, the aircraft are
KC-135 Stratotanker
Supposedly C-130 Hercules
Boeing 700s (737s, 717s, 747s, etc.)
Military unmarked helicopters
F-22 Raptor-like craft
Small Black Military Jets
Large Silver or Grey Military Jets
Commercial Airliners

Usually commercial and civilian aircraft are displayed on the program Flight Explorer, which tracks these aircraft with a five minute delay in time. However, it's interesting to note that most of the aircraft noted to spray chemtrails do not show up, meaning they are either military or of a secret program from some other organization without flight plans.
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Not my own thoughts but maybe it helps... :)

Has anyone though they might be caused by simple condensation from the jet engines? You know, like in sciencec class at junior high school level and lower? Hot exhaust gases from a combustion engine going into cold air? What happens when fuel is burnt? You get water and carbon dioxide given off, right? Introduce this mixture into a cooler air space and you get condensation? You must be American to NOT KNOW THAT. What do you think clouds are? Have a look at the water coming out of the exhaust pipe of a car while the engine is running. No wonder you can't find your own country on a map!