• A city skyline is reflected in a lake in a park.

    All Communities Deserve Green Buildings


    For 20 years we've been the green building community of Illinois. We educate, advocate, and reduce barriers to high performance buildings across the state.

    Connect with Us
  • A large group of people are gathered in a large room.

    Join The Green Building Movement


    Being a member demonstrates your passion and commitment to advancing green buildings in Illinois. Get connected to like-minded sustainability professionals and support green and equitable communities.

    Become a Member

Featured Events

APR
23

[Hub Event]: Energy Benchmarking Tips and Tricks

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APR
30

Architects & Engineers Unite: An Embodied Carbon Reduction Gameplan

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MAY
8

Code Campaigns: Creating a Health, Resilience, and Efficiency Baseline for Illinois

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News & Updates

Energy Moves in Springfield, Illinois’ Record Year in Solar, and Changing Building Emission Trends | Illinois Green Policy Update: March 2025

By Ryan Wilmington • March 26, 2025
We have good news to share out of Evanston, from around the state, and even across the globe! In the March Policy Update, we'll be celebrating Evanston's big green building policy win, spotlighting building efficiency proposals in Springfield , looking at Illinois' record year for solar , and more!
Morton Civic Center, Evanston

Evanston Passes First Building Performance Standard in Illinois

By Ryan Wilmington • March 11, 2025
Building Professionals Key to Passing Healthy Buildings Ordinance
Show More

Our Initiatives

Green Building Education

The professionals that design, build, and operate buildings are important advocates for net zero, and need a reliable source for the latest trends and technologies. We deliver effective educational programs, convening diverse professional stakeholders.

Existing Buildings Programs

We believe that all communities deserve healthy, high performing buildings. Through our Building Energy Resource Hub and Illinois Green Schools Project initiatives, we provide the support to show all building types can be on the path to net zero.

Green Building Policy

We must remove barriers by providing information about the technical and policy roadblocks to net zero adoption. We amplify green building professional voices that impact green building policy and support the passage of major climate laws.

MEASURING OUR IMPACT

To combat climate change in Illinois, it's time we made net zero buildings feasible, affordable, and so commonplace that every building in Illinois by 2050 is net zero. Mainstreaming the technology and building methods, whether new or existing, will not be easy but no one is better positioned to make it happen than green building professionals.

58

Programs, trainings, and events last year

2,000+

Volunteer Hours last year

4,150

Program Attendees last year

Our Community

"I chose to be a member and a volunteer for Illinois Green Alliance to grow my network of connections, and by joining I gained more than I could ever imagine. Over the past six years my colleagues have grown to be my friends, and I learn something new about sustainability, life, and myself through everyone and every event I attend."


Taylor Callahan

Illinois Green member since 2016

Join our community

Thank you to our Sustaining Sponsors!

Wight & Co

White & Co

USGBC

USGBC

USG

USG

Agati

Agati

Baumann

Baumann

Arup

Arup

Sloan

Sloan

Slipstream

Slipstream

Rockwool

Rockwool

Powering Chicago

Powering Chicago

Ozinga

Ozinga

Village of Oak Park

Village of Oak Park

Leopardo

Leopardo

Lendlease

Lendlease

Elevate

Elevate

Elara Engineering

Elara Engineering

Electrical Contractors' Union

Electrical Contractors' Union

dbHMS

dbHMS

Conservice

Conservice

ComEd

ComEd

Clayco

Clayco

AT Mechanical

AT Mechanical

Cylone

Cyclone

Tishman Speyer

Tishman Speyer

Pepper Construction

Pepper Construction

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Collective Compost Resource Cooperative

Whole Cubes

Whole Cubes

Windy City Reps