Environmental

On the 25th anniversary of the Chicago heat wave, which killed 739 people across Cook County, President Toni Preckwinkle announced the release of the County’s 

After exceeding last year’s goals with more than 120 properties committed to installing solar, the Solarize Chicagoland program kicks off this week for residents in Cook County. 

Today Cook County Board President Toni Preckwinkle released the Cook County 2019 Annual Sustainability Report.

Accumulating snowfall is expected for the Monday morning commute.

Group buy program to make solar energy more affordable

Cook County will turn off its non-essential lights March 30 to commemorate Earth Hour and call attention to climate change. 

Cook County Board President Toni Preckwinkle announced Cook County and the Forest Preserves of Cook County are stepping up the fight against climate change.

Cook County saved nearly $8.6 million and significantly decreased energy use in the first two years of implementing energy efficiency improvements by using guaranteed energy savings performance contracts. 

The Cook County Department of Environment and Sustainability was awarded two brownfield grants from the U.S.

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New report shows 19 percent reduction in greenhouse gas emissions from County operations