An Illinois Air Pollution Action Day is issued when widespread ozone or particulate levels are expected to be at or above ...

The Illinois EPA and IDPH are warning residents of unhealthy air quality due to Canadian wildfire smoke, and are urging ...

CHICAGO The Illinois Environmental Protection Agency (Illinois EPA) and the Illinois Department of Public Health (IDPH) are ...

Chicago faces health concerns due to smoke from Canadian wildfires, leading to an "unhealthy" air quality alert.

His approach to climate is in keeping with this attitude—though critics say there’s room for improvement. During Pritzker’s ...

A Southern Illinois Republican lawmaker says something must be done to address rising energy costs in the state.

Deteriorating conditions in the state’s prisons and climate change could be a potentially deadly combination, advocates warn.

Already the calls are coming in at Chicago’s All Bright Solar. Customers want solar roofs installed on their homes — and they ...

Illinois Attorney General and Chicago file a lawsuit against three defendants for improper asbestos handling during warehouse ...

The Illinois Department of Transportation's latest effort on the decades-long project to connect the St. Louis region to ...