This winter is just “dirty,” he said while waiting in line ... Sanchez said. The science of Chicago snow and ice removal has become more exacting over the years. Sensors throughout the city ...

White snow reflects sunlight and melts slower, while dirty snow absorbs it and melts faster. If snow melts too quickly, Chicago could see flooding. There are up to four inches of water locked up ...

Chicago experienced a dust storm, severe thunderstorm, sunset, rainbow and snow in the last 24 hours ... This was at least the third time this month that a "dirty rain" event took place in ...

Temperatures were expected to stay around 37 degrees with light snow flurries for 24 hours, weather officials said. Migrants queue up outside the Chicago ... trash cans, dirty floors and tiny ...

As snow-covered roads were creating slick and slippery conditions for the Friday rush hour commute in the Chicago area, a ground stop was briefly issued at Chicago O'Hare International Airport due ...

A winter storm watch, which lasted until late Saturday, was issued by the National Weather Service in Chicago. On Saturday the snowstorm shifted and rain turned into heavy, wet snow by midday for ...

dirty grime, a bigger problem may be rats. Ald. Bob Fioretti says an average female among breed-happy vermin has up to 300 babies a year in a 3-year life cycle, and Chicago is a great place to be ...

You know not to eat dirty or yellow snow, but a new finding about the contents of "clean" snow will have you thinking twice before you take a bite out of that snowball: Snow absorbs air pollutants.

Dirty snow has had a significant impact on climate warming since the Industrial Revolution. In the past 200 years, the Earth has warmed about .8 degree Celsius.