Northwest Cook County Group

Northwest Cook County Group of the Illinois Sierra Club

The NWCCG is an all-volunteer local group of the Illinois Chapter of the Sierra Club.  When you join Sierra Club you are automatically a member of the local group. The Sierra Club is America's oldest, largest and most influential grassroots environmental organization. We have approximately 2,000 members in the northwest suburbs of Cook County. The boundaries for our group include Arlington Heights, Barrington, Bartlett, Deer Park, Des Plaines, Elk Grove Village, Hoffman Estates, Mt Prospect, Palatine, Park Ridge, Rolling Meadows, Schaumburg, South Barrington, Streamwood and Wheeling. Please consider joining us on an outing or attending one of our programs or events to find out how you can become active about something you care about. 

March Program: Growing importance of native plants in our local habitat!      

March 14th @ 7:00 PM (Central Time) In-person and virtual.      

Spring Valley Nature Center; Heritage Farm, 1111 E Schaumburg Rd, Schaumburg       

Commissioners Agnes Wojnarski and Dana Sieverson from the Prospect Heights Natural Resources Commission will be presenting an overview on native plants, including why they are so effective and essential for insects, birds, pollinators, reptiles, wildlife, and why they are more important now than ever. 
The PHNRC greenhouse program produces 20 – 40,000 native plugs annually which are used in their restoration projects, plant giveaways and for their educational programs. The first 20 attendees will receive native seed packs from the PHNRC greenhouse program and Agnes will talk about the species in the packet!

Signup Instructions: In person at Spring Valley Nature Center or via Zoom. You MUST register to receive the Zoom link!

In Case You Missed It!

Zoom footage of our February program is now on our YouTube page. Check it out, along with our other past programs!

Endorsements for the 2024 Elections

The Sierra Club has announced its first set of endorsements for the 2024 elections. These candidates will work to fight climate change and to protect clean air, clean water, and natural lands.

The complete lists are available here. You can look up your districts, polling place, etc., at  Your Voter Information | Cook County Clerk ( voting starts March 4. Election Day is March 19. Remember to vote!

At Risk Natural Spaces

Do you know of any local (NW Cook County) natural space- prairie, wetland, marsh, or similar- that is at risk? Please let us know by emailing

In search of volunteers!

Are you looking for a way to get involved with your local Sierra Club group? We welcome new faces who want to get involved.  A couple areas of need are with Communications (committee lead, newsletter, social media) and Programs (finding good program topics and making arrangements with the help of the executive committee). Please let us know if you're interested by emailing

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