Or you know, you can just like not pollute the shit out of the Earth. China is the worst.
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China 9,679.30 GHG emissions (MtCO2e)[1], United States 6,668.79 GHG emissions (MtCO2e)[1] - population China ~1.3 billion[2], population United States ~330 million[3]
Do the math!
[1] https://en.wikipedia.org/wiki/List_of_countries_by_greenhous...
"Pollution" is a general term.
The larger point being that you have to take into account how many people live in a country, you can't just compare countries without that.