1 August 2022, Chongqing, China ‒ The 11th Ozone2Climate (O2C) Technology Roadshow and Industry Roundtable was jointly organized by the Foreign Environmental Cooperation Center, Ministry of Ecology and Environment, China(FECO/MEE) and the China Refrigeration and Air-Conditioning Industry Association (CRAA), the United Nations Environment Programme (UNEP), and the United Nations Development Programme (UNDP), as part of the 33rd International Exhibition for Refrigeration, Air Conditioning, Heating and Ventilation, Frozen Food Processing, Packaging and Storage (CRH 2022), one