Who is “we” exactly? Most developed countries have reduced their emissions so much that they’ve been producing less CO2 per Capita than China for a very long time (like, a decade for the whole of the EU if I remember correctly).

https://ourworldindata.org/grapher/consumption-co2-per-capita-vs-gdppc?zoomToSelection=true&endpointsOnly=1&time=earliest..latest&country=CYP~DNK~FIN~FRA~DEU~ITA~NLD~POL~PRT~SVK~ESP~SWE~GBR~CHN~JPN~USA

And I see you coming, no, it’s not because China exports lots of stuff for the rest of the world: https://ourworldindata.org/grapher/production-vs-consumption-co2-emissions?country=CHN~OWID_EU27