Building Power for People and the Environment

Illinois' Environmental Policy Leader

Since 1975, IEC has been at the forefront of environmental policy development and advocacy in Illinois. Today, IEC leads a powerful environmental movement dedicated to advancing equitable public policies that ensure a healthy environment across Illinois.

Echo Our Call to Action

200 of your fellow Illinoisans met with legislators to advocate for three critical bills that accelerate our climate progress amidst ongoing threats. Send a message of support to your legislators today.

Advocates in Springfield rally for clean energy and transit investments

2025 Environmental Scorecard

There is no better measure of our success or your legislators’ environmental voting record than IEC’s annual Environmental Scorecard. Use our scorecard to evaluate whether your legislators have used their power in the General Assembly to protect you, plants, animals, and our environment, or to aid big polluters and dirty fossil fuel special interests.

Our Campaigns

Safeguard Illinois' Climate

Help us ensure that Illinois charges forward in pursuit of strong climate and clean energy policies that are equitable, affordable, and reliable.

Protect Illinois Wetlands

Illinois has already lost 90% of its original wetlands. Protection and restoration of these areas is critical for the future of our state’s animals, plants, and communities.

Phase Out Single-Use Plastics

Every year 22 million pounds of plastic enter the Great Lakes. We can’t recycle our way out of our plastics problem. It’s time to kick single-use plastics.

Click here to see our full priorities list.

Secure Illinois' Climate Future

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Defeat Anti-Environment Legislation

The environment matters to you. Tell your lawmakers to fight for it, too. Take action for our climate and our communities.

IEC Scorecard

Did your lawmakers vote with the environment in mind? Hold them accountable on environmental issues. 

Expand Your Policy Expertise

2023 Annual Report Image

Learn About Our Work

IEC addresses Illinois’ most urgent environmental issues​. Explore our vision for Illinois’ environment.

New on the Blog

See what IEC staff, our affiliates, and decision-makers are saying about key environmental issues.​

Gain insights that will make your advocacy—and our movement—more powerful. 

Over 130 Organizations Believe in Our Mission

IEC relies on our affiliate member organizations to identify the biggest issues facing our environment. Together, we share resources, mobilize supporters, and respond quickly to policy debates and advocacy opportunities.

Discover what it means to be an IEC affiliate.

Our Updates

A Guide to Water Policy Terminology

From safe drinking water in Chicago to clean rivers downstate, Illinois water policy shapes our daily lives. Understanding the language behind it helps every community advocate for a healthier future.

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