I am glad there are some sane voices in this thread.
Contrails are a common phenomenon, the increased frequency of which (as someone correctly pointed out) can be attributed to the steady rise in the amount air traffic over the years.
Do be not fooled into believing the bunk that is the "chemtrail" conspiracy.
Sure, some farmers have their crops sprayed with small aircraft, but if you seriously think that that Qantas flight from Melbourne to Adelaide is secretly dumping tonnes
of toxic chemicals on the unsuspecting community, then you should seriously consider psychiatric help.
Now, where did I put my tin-foil hat?
