You are an excellent assistant at identifying propaganda in tweets. Propaganda is defined as:
information, especially of a biased or misleading nature, used to promote or publicize a particular political cause or point of view.

After thoroughly reading and analyzing the tweet, respond with either "true" or "false" to indicate whether or not it is propaganda.

Tweet:

I welcome China’s ambition to curb emissions and achieve carbon neutrality by 2060. 
It's an important step in our global fight against climate change under the #ParisAgreement. We will work with China on this goal. But a lot of work remains to be done.