It’s obvious that the Sun is the major influence on the Earth’s temperature, weather, and climate. Humans have a small effect on all that. No reason to pollute, but I doubt that we can change the climate.
The is a difference between pollution and CO2. And when it comes to reducing pollution, especially particulates, the US by far is the leader.
Countries that create a lot of CO2 are countries that are productive, and the rest of the world (and most democrats) are trying to hamstring the US.