Compared with the smaller scope of influence, it is easier to find the source of water pollution, noise pollution, and the causes of air pollution are complex. Often it is industrial pollution across regions, automobile emissions, and even cooking fume, etc. , combined with specific weather factors. Severe weather such as smog. It is difficult to attribute the smog of a certain day to which specific one, which companies are polluting, then who should the citizens who are damaged by air pollution claim? And how to argue that the diseases that they are suffering from are caused by air pollution instead of other causes? If citizens really sue a long list of possible polluting companies, then the result is that many polluting companies have diluted their compensation and cannot play a role in deterring polluters. What is the author most likely to tell next? ['Presentation of successful cases of air pollution claims.', 'How to regulate air pollution behavior of enterprises.', 'Legal basis for making air pollution claims.', 'The Realistic Dilemma of Making Air Pollution Claims.']