Los Angeles County, the most populous county in the country, is bucking the trend ( American Demographics )

美国人口最多的县, 洛杉矶县是反潮流的 ( 美国人口统计数据 )

As the largest and most populous county, how to change the existing high-carbon economy and develop low-carbon economy should be solved and must be solved.

作为中国面积最大、人口最多的县域，如何改变原有的高碳经济模式，发展低碳经济，是应该解决也必须解决的难题。