This must be a great step for the climate change regime if this will be true, since in the regime China has played a role as veto country, especially on behalf of G77+China.

Here we can estimate that the last IPCC report, in which Chinese scientists participated better than before, played a important part in having the nation rethink on the issue. Throughout organising the report, naturally China has acquired knowledge more than before. I suspect this work made it possible for them to make a course correction.