就一个国家而言,城市创造了80%以上的GDP,同时能耗也占了80%以上;温室气体方面,城市排放占了75%以上。近年来,中国很多城市的发展延续了西方国家当年高污染、高能耗、高排放的发展路径。北京、上海等大城市还因此引发了严重的生态危机,例如前段时间连绵不绝的雾霾天气。城市应该让生活更美好,但现在却已影响到了人们的 For a country, cities create more than 80% of GDP, while energy consumption accounts for more than 80%; and in terms of greenhouse gases, urban emissions account for more than 75%. In recent years, the development of many cities in China has continued the development path of high-pollution, high-energy-consumption and high-emission of western countries during that year. The big cities such as Beijing and Shanghai have also caused serious ecological crises, such as the hazy fog of some time ago. The city should make life better, but now it has affected people