Detroit is a special city, but it is just one city. If you are stalled in your research process, it is time to broaden your search terms. Try some of the following suggestions:
For example, this article about converting vacant lots in Philadelphia into park space could inform your essay about converting vacant lots in Detroit.
|Urban farming||Public works||Citizen watch groups|
|Public schools||Foreclosure||Volunteer organizations|
|Mass transportation||Political corruption||Tax incentives|
|Urban parks||Automobile industry||Tourism|