中国人民大学环境学院
中国人民大学环境学院-
中国人民大学环境学院教授宋国君在接受《新京报》采访时说，北京每次遇到重污染通常都与基本无风的静稳状况有关，如果没有风，风道也起不到什么作用。
Episodes of serious pollution are usually associated with periods of little or no wind , and air corridors do little good if the wind isn 't blowing , Song Guojun , an environmental science professor at Renmin University , told The Beijing News .