Two-thirds of China's cities will fail to meet new air quality standards, a senior environment official says.
Ku ehleketiwa leswaku madoroba mambirhi eka manharhu ya le Chayina ma ta tsandzeka ku fikelela milawu leyintshwa ya hulumendhe leyi fambisanaka ni ku basisiwa ka moya leyi nga ta sungula ku tirha hi 2016.