The Department of Environment and Sustainability operates an air-monitoring network for particulate matters (less than 2.5 micrometer in diameter...

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UPDATE: Our office at 69 W. Washington St. is open, but with limited staffing to encourage social distancing and prevent the...

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UPDATE: Our office at 69 W. Washington St. is open, but with limited staffing to encourage social distancing and prevent the...

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Update on Grant Activities

The Village of Bellwood has applied for a Revolving Loan Fund (RLF) for a site located at 4901 St....

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Update: Our office at 69 W. Washington St. is open, but with limited staffing to encourage social distancing and prevent the...

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Cook County has already begun to feel the impacts of climate change and climate change will intensify issues that the region is already...

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The Cook County Community Solar Project was launched in early 2015 with a grant from the Department of Energy’s Solar Market Pathways Program....

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Combating Climate Change: What Can You Do?

Our region continues to face serious consequences of climate change.

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From the onset of the COVID-19 pandemic, President Preckwinkle and all of Cook County Government have worked tirelessly to protect the health,...

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UPDATE: Our office at 69 W. Washington St. is open, but with limited staffing to encourage social distancing and prevent the...

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UPDATE: Our office at 69 W. Washington St. is open, but with limited staffing to encourage social distancing and prevent the...

Read more

UPDATE:  Our office at 69 W. Washington St. is open, but with limited staffing to encourage social distancing and prevent the...

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The Green Buildings Program looks holistically at the design, space utilization, operations and life cycle impact of County owned properties to...

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UPDATE:  Our office at 69 W. Washington St. is open, but with limited staffing to encourage social distancing and prevent the...

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National Pollutant Discharge Elimination System (NPDES)

The National Pollutant Discharge Elimination System (NPDES) is a...

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Cook County government requires open burning permits in suburban and unincorporated Cook County to protect life, property, prevent forest fires...

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Radon is a naturally occurring radioactive gas released in rock, soil, and water from the natural decay of uranium. While levels in outdoor air...

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UPDATE: Our office at 69 W. Washington St. is open, but with limited staffing to encourage social distancing and prevent the...

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Cook County should be a world-class model of sustainability. We are working not only to boost sustainability practices throughout County...

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Transportation – Projects

The Cook County Department of Transportation and Highways oversees the planning, design, and...

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Check out our new Story Map on where your waste and recycling go from the curb!

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