On the occasion of the 50 th anniversary of the establishment of diplomatic relations between China and Germany, the 34 th Annual Conference of the Chinese and German Chemical Association (CGCA) was held at the Berlin Technology Center of the Zhejiang Tsinghua Yangtze River Delta Research Institute, in Berlin on the beginning of October. This is the first on-site gathering of the Chinese chemical colleagues in Germany since the Covid pandemic started. The conference was held in a hybrid form with online participants, and focuses on the topic of “Sustainable Development”. Researchers from Chinese and German top universities, research institute...