Internet Explorer 11 is not supported

For optimal browsing, we recommend Chrome, Firefox or Safari browsers.

12%

The reduction in crime that resulted from a 10 percent increase in tree cover in Baltimore. The study concluded that the more trees an area has, the less crime it has.

The reduction in crime that resulted from a 10 percent increase in tree cover in Baltimore. The study concluded that the more trees an area has, the less crime it has.

Caroline Cournoyer is GOVERNING's senior web editor.