Global Hypocrisy

Excuse my ignorance, but isn't CO2 heavier than air?
So how do our CO2 emissions get up into the atmosphere?
Is the answer to this conundrum worthy of another Nobel Prize?

They pump CO2 into greenhouses, don't they?
To make the plants grow more, don't they?
Is it true that the gases from both ends of all the domestic animals,
add far more carbons to the air than all the cars, motor cycles and aircraft combined?
If so, why are we still eating dead animal flesh, if this is so serious?
[I don't, by the way ]

Oh! I see! It's not THAT serious!!
It's serious enough to virtually bankrupt us with new taxes, but not serious enough to stop YOU eating animals drugged up to the eyeballs, before they are killed, and then their flesh chemically treated with colouring
to make it look more appetizing to YOU?
Would you call this a lust to taste flesh?

That is of course, if you can find the dead flesh of a sentient being to your taste?
They eat dogs in Korea. You eat cows, baby cows, goats, pigs, sheep, baby sheep, and horses.
Is that moral superiority?
Am I missing something?
Or is it YOU?