From the shores of Lake Michigan to the forests of the Shawnee, Illinois is a state rich in natural beauty. We are committed to protecting the diversity of our state's natural resources through campaigns on conservation, energy issues, clean water, and transportation.
Volunteer with us, become a member, or donate and help us protect the water, air, land and wildlife in our beautiful state.
For up-to-date news and actions follow us on social media. We're on Twitter, Facebook, and Instagram.
Welcome to the Illinois Chapter of Sierra Club!
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Local News and Information
Cleaner cars and cleaner trucks will deliver clean air to Illinois and create jobs
November 25, 2024
In the great state of Illinois, clean air is hard to come by. Last year, Sierra Club research found that roughly 3 in 4 Illinois residents live in areas that regularly experience air that the federal Environmental Protection Agency (EPA) has...
Sierra Club Illinois Announces Endorsement of Champions for Illinois General Assembly
October 3, 2024
“Days of Action” Underway as Staff Organizers Deployed to Key Races and Volunteers Mobilize Throughout the State
Chicago, IL. -- Today, Sierra Club Illinois announced its endorsements in the November general election for Illinois General...
Judge Rules Trump International Violated Illinois Environmental Protection Act
September 16, 2024
Trump International Hotel & Tower Found Liable on All Counts
CHICAGO, IL – Cook County Circuit Court Judge Thaddeus L. Wilson ruled September 9th that the Trump International Hotel & Tower violated and is in violation...