[填空题]The research concerns the effects of （） pollution on man’s health. (industry)

Concerns about the effects of television on children are a recurrent theme of public debate. Yet it is an area in which children’s voices are rarely heard. Too often parental and governmental anxiety has focused on the impact screen violence may have on young viewer’s behavior with little attention paid to children’s own emotional responses to the moving image.
David Buckingham, a lecturer in media studies at the University of London’s Institute of Education, believes a more useful approach to understanding the role of television in children’s lives is to ask children about their own responses to horror films, "weepies", soap operas and news bulletins and to discuss with them how they make sense of what they see. Mr. Buckingham, a father of two boys aged five and nine, also believes it is important to understand how parents help or hinder their children’s understanding of television.
In an attempt to throw new light on the issue, Mr. Buckin