Listed below are just a few of the topics you might want to investigate to narrow your topic further; also note that the topics below are very broad and would still need to be narrowed down significantly. If you want to browse even more ideas, go to Gale Opposing VIewpoints and click on Browse Issues.
Health: Communicable Health, Environmental Health, Women's Health, Mental Health, Health Education, Natural Disasters
Homelessness: Housing, Employment, Mental Illness, Poverty, Health Care, Legal Issues, Access to Food, Substance Abuse, Natural Disasters
Transportation: Metrolink, River Transport, Roads and Highways, Airport, Employment, Housing, Urban Development, Access to Food