Four hundred million people lack access to electricity and are therefore forced to use traditional, inefficient and polluting energy sources, thus jeopardizing their health and depleting natural resources.
有4亿人无法用上电，因而只得使用传统的、低效而且污染环境的能源，这就给这些居民的健康造成危害，也使自然资源逐步枯竭。