We, at least until Trump, got the US military keeping Russia out of Europe and dealing with a whole lot of other bullshit we were too frugal to deal with on our own on the global stage.
> Who is us here? Because you are threatening a takeover of Greenland and giving up Ukraine to Russia. Not to mention tariffing and threatening your closest allies.
Europe, that should be obvious from context.
> Per capita co2 emissions
CO2 is one thing, but the time that the Western world had smog events like China had up until their Olympic Games is decades in the past. Besides, China's per-capita emissions are driven down by the fact that they still have a lot of utterly poor people that barely cause any emissions.