Chicago is one of America's greatest economic hubs and cultural centers. However, some of its neighborhoods have a known reputation for crime and violence. So, which are the most dangerous ...

The Chicago area was ranked 15th worst in the nation for ozone pollution ... people of color are the group most likely to live in neighborhoods with unhealthy air and are more than twice as ...

Watch how Chicago flooded before Ike's rains arrived » In the worst-hit area, Albany Park, about 340 homes were in danger. About 40 residents were evacuated -- some of them by boat -- and taken ...