亚洲91视频,国产91网,久久久久久久久久久久久久久国产,亚洲一区二区三区日本久久九,亚洲日本久久,国产精品久久久99,亚洲欧美一区二

Small population, low population density and backwards infrastructure are the main challenges facing county-level cities in China.County-level cities should take their own individual situation into consideration when addressing development.

Through analyzing the practices of 18 countries that account for 80 percent of the world's total emissions and China's economic growth in the coming years, the report predicts China's total carbon emissions in the next decade.