COII Events

Join us for this very special event to support our local Ecology Action Center! COII is excited to sponsor and host this event. Get your tickets early as seating is limited! Click the flyer for ticket information! Enjoy guest speaker Ty Newell. Ty is a professional engineer, retired building science professor from the University of Illinois and co-founder/co-owner of Build Equinox! He will be shar

Join COII and GreenHome Institute for a special webinar! Wednesday Sept. 9th at 11:00am CDT. Follow the QR code for the link and more information!