> Sorry, I whould have said CFC caused ozone hole.
Oh, CFC, not just chlorine.
Chloroflourocarbons.
Those nice molecules that (as compared to most gas molecules in the
air), weigh about as much as a small horse, and are extremely
vulnerable to bioprocesses and sunlight.
They are going to remain intact while they defy gravity to rise into
the stratosphere and simultaneously cross not one, but two, breaks in
atmospheric air current patterns. (The wind patterns of the earth
are pretty neatly divided into three groups, and adjacent groups
don't interact much. The groups can be described with a fair degree
of accuracy as: the northern hemisphere, the southern hemisphere,
and Antarctica. Almost all human industrial activity has occurred in
the northern hemisphere.)
They are going to do this in sufficient number to make a major
difference in an environment which has injected into it on a daily
basis, by natural causes, an amount of chlorine compounds comparable
to the entire annual human industrial consumption of chlorine.
They can also stop speeding locomotives just by holding up a hand
(and, amazingly, the trains don't derail when stopped so suddenly
from the front).
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