1969年1月20日,尼克松宣誓就任美国总统,并发表就职演说,演说中提及保护环境、提高生活质量。周恩来阅读文件书报后,立即指示中共中央调查部的研究局从国外书报杂志中选择有关材料,进行整理编辑,内容包括:环境保护的意义,形成污染(日本称之为“公害”)的原因,污染造成的危害,西方学者对污染问题的看法,有关国家政府部门 On January 20, 1969, Nixon was sworn in as president of the United States and delivered his inaugural speech, in which he mentioned protecting the environment and improving the quality of life. After Zhou Enlai read the newspaper and newspapers, he immediately instructed the research bureau of the investigation department of the Central Committee of the Communist Party of China to select the relevant materials from foreign newspapers and magazines and organize the edits. The contents include: the significance of environmental protection and the formation of pollution (Japan calls it “public nuisance” ), The harm caused by pollution, Western scholars on pollution issues, the relevant state government departments