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Unfortunately this isn't complete combustion. There's a shit ton of PM and everything else. Ever go to a big show? They have to take pauses for the smoke to clear so that you can see the next batch.
You're concerned about the smoke rather than the CO2?
You do know that CO, SOx, NOx etc is worse that CO2 right?
It's not worse, it's different. CO2 kills everything on earth but that takes a lot of it. The toxins you listed can give a community long term health issues without that much exposure. It's a local problem vs a global problem.
How many fireworks shows does it take to give someone long term health effects from the smoke?
Health wise, not global warming wise. The original post sounded like a global warming concern.
Acid rain ain't no problem huh.
Post said "unnecessary pollution".
Everything is unnecessary. We could just off ourselves and there’d be no more pollution. The only reason our existence matter is the way we feel about it. Which is the same reason fireworks matter.
That depends on a lot more factors for how dilute it gets. I didn't know how likely it is for the air currents to dilute the aluminum exhaust over a large enough area before it rains. Maybe someone could do some analysis, but I don't know how.
You shoud do a calculation and show the expected change in global temperature from a fireworks show.
You could find it by coverting 70k ton CO2 into ppm and multiplying by climate sensitivity.
That number is close to meaningless. Also don't ask others to do large amounts of research in a lemmy comment, it won't be accurate.