Clean air.
Clean water.
open space.

Join us to advance equitable public policies that ensure a healthy environment across Illinois.


IEC brings together the Illinois environmental movement to influence decision makers
and ensure clean air, clean water, and healthy communities.

Learn More about IEC

IEC coordinates our over 100 affiliate member organizations to share resources, mobilize supporters,
and respond quickly to the most pressing issues facing the environment in Illinois.


Learn more about IEC, including our history, mission, staff & vision for Illinois.

On the blog

Read what IEC staff, our affiliates & decision makers are writing about environmental issues.

addressing Illinois' most urgent environmental issues

Clean Water

Illinois has abundant water resources that need protecting and infrastructure that requires updating.

Clean Energy

Eliminating climate-warming emissions from Illinois’ power sector is key to addressing the climate crisis.


Open space in Illinois is disappearing due to the rapid spread of urbanization and development.

Equitable Transportation

Transportation is the single largest source of climate warming emissions in Illinois.

Zero Waste

Illinois has a long history of championing recycling & composting programs, but there is so much more to do.

food production

Sustainable Agriculture

Farms cover about 75% of the Illinois' total land area.


2024 Legislative Report

IEC's state legislative team has published our 2024 Legislative Report detailing environmental wins and setbacks during this year's legislative session.