1. A TALE OF FOUR CITIES – A SEMANTIC ANALYSIS OF NEWSPAPER COVERAGE OF AIR POLLUTION Open Access Author: Sun, Tongxin Title: A TALE OF FOUR CITIES – A SEMANTIC ANALYSIS OF NEWSPAPER COVERAGE OF AIR POLLUTION Graduate Program: Media Studies Keywords: air pollutionagenda setting theoryair quality indicatorsLIWCcomputerized content analysis File: Download thesis_TongxinSun_College_of_Communications_2017Fall.pdf Committee Members: Bu Zhong, Thesis Advisor/Co-Advisor