1978—2018年中国环境污染的时空特征——基于《人民日报》新闻报道

张学珍, 王发浩, 罗海江

Spatio-temporal characteristics of environment pollutions of China from 1978 to 2018: A study using news reports from the People's Daily

ZHANG Xuezhen, WANG Fahao, LUO Haijiang

图2 1978—2018年环境污染事件新闻报道频次直方分布图

Fig. 2 Frequency distribution diagram of environmental pollution news reports during 1978-2018