China's emissions were 10 billion tons CO2 in 2017 and have increased every single year to 12.29 billion tons CO2 in 2024. Meanwhile, US decreased from 5.22 to 4.9 in the same time
US emissions icreased by 2.5% https://rhg.com/research/us-greenhouse-gas-emissions-2025/
China's emmisions have decreased by <1% https://e360.yale.edu/digest/china-emissions-decline
China has only produced significant CO2/capita in the last decade. The US and Europe are responsible for the accumulated GHG that have gotten us into the current mess. We blew nearly the entire CO2 "budget" for keeping us under 2C of warming, just by ourselves, so it's kinda odd to be pointing fingers at the foreigners who are just now halfway catching up to what we're emitting now.