"Compared to the G7, the G20 is more capable of addressing such issues(financial crises, recobery of world economy and reform of international financial and monetary systems), since more regional major countries and emerging economies are involved."
Kaoru Imori, a political science research fellow, told Xinhua, adding that "because its scope is far broader, it means regional action or intervention is more likely to be actualized,"
I’ve lived in China for quite a considerable time including my graduate school years, travelled and worked in a few cities and still choose my destination taking into consideration the density of smog or PM2.5 particulate matter in the region.