Environmental News

Not long ago, as geologists measure time, the water released from a melting glacier during the last great Ice Age created a much larger Lake Michigan, called Lake Chicago, which covered most Cook County.

The Great Lakes ecosystems remain under a significant threat from Asian carp. These unwelcome invaders can crowd out other fish species by outcompeting them for food resources.

The Illinois Partners for Clean Air and the Illinois Environmental Protection Agency have extended the previously issued Air Pollution Action Day Alerts to Friday, August 24th.

The first mosquito pools positive for West Nile Virus (WNV) in suburban Cook County were reported yesterday by state public health officials.

Cook County Board President Toni Preckwinkle announced today that Provident Hospital has been awarded LEED (Leadership in Energy & Environmental Design) Silver certification status, an important environmental rating given to eco-friendly building