Western policies create a forcing function on the technology development.
We need to make products so good that they win even without climate emergency.
Tesla is a perfect example of that. Solar energy soon will also be simply better than any fossil fuels.
It is also important to have your own stuff together when demanding the same from others.
And if China will not be meeting its targets I see no reason to not impose import taxes on China.
We could monitor China emissions from space and tax accordingly.