代价难偿
中国南方烟雾笼罩的天空对人类健康造成严重的影响。陆恭蕙、贺达理、黄子惠和刘启汉进行的一项新的研究发现，控制污染利大于弊。
A price too high
South China’s smoggy skies have a grave impact on human health. The benefits of pollution control in southern China far outweigh the costs, finds a new study by Christine Loh, Anthony Hedley, Wong Tze Wai and Alexis Lau.
