In developed economies, including the US and the EU, that pattern is reversed, and cities are typically the most energy-efficient places. In the US, people in rural areas use 12 per cent more energy per capita than city dwellers. Those in the suburbs use 20 per cent more.
在发达经济体(包括美国和欧盟(EU)),情况恰恰相反——城市往往是能源消耗最少的地方。在美国,农村居民的人均能源消耗量比城市居民高出12%。郊区居民的人均能源消耗量比城市居民高出20%。
Cities that address the challenges of energy provision can improve the lives of their residents and their prospects for economic development, as well as show the world ways to respond to energy shortages.
解决城市能源供应难题,能够提高城市居民生活质量,改善城市经济发展的前景,同时在全世界面前为应对能源短缺起到示范作用。
The entries for this category indicate that there is a demand for innovation that is economic and social, as well as technological. Often, the technology to make significant changes already exists, and the important part is finding ways for it to be deployed on a large enough scale to make a difference.
尝试解决这一难题的一些例子显示,有必要进行经济、社会以及技术上的创新。可以创造重大变革的技术往往已经存在,重要的是找到方法,对技术进行足够大规模的利用,以创造一些改变。
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