Nimetic

Since you have just solved the puzzle - why not post it to a journal on atmosphere science. They've been trying to figure this stuff out for decades.

We could just eat less cows in that case. Simple.

Actually... I seem to recall that most of the gas from cows comes out their mouths. Probably something to do with all their stomachs.

Anyways... it's interesting eh. The same might be said for humans.