But they produce twice the total emissions which is what affects the climate. And it seems to be growing at an alarming rate, while US emissions seem to be level or shrinking.

https://en.wikipedia.org/wiki/List_of_countries_by_carbon_di...

But the point is each person in China produces far less than each person in the US. They just have a lot more people. This is made even worse when you consider that much of what Americans use was manufactured there.