Possible uses for chem-trails:
-UV shielding in attempt at preventing global warming
I recently came across a patent for aerosol dispersement of melanin (sunblock) into the atmosphere.
U.S. patent 5,286,979
I think I saw it mentioned in regards to global dimming somewhere(but not in the article's I've linked to below).
The Guardian - Goodbye Sunshine
BBC Science and Nature- Global Dimming
So, yes, IMO, that could possibly be happening, whether it's probable (or happening) I'd like to know.
Mass vaccination is an interesting one, I haven't heard that one before. I wonder how effective it would be. De-vaccination (if there's such a
thing) on the other hand, would probably be better if it had a random effect.
It couldn't be because those with little knowledge of meteorological phenomena, and of gullible mind, are mistaking natural phenomena could it?
Nah, that'd be too obvious......
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Who knows, it's possible. And maybe getting more probable.