Building Power for People and the Environment
Join us to advance equitable public policies that ensure a healthy environment across Illinois.
Since
1975
IEC brings together the Illinois environmental movement to influence decision makers
and ensure clean air, clean water, and healthy communities.
Our roots run deep
Learn More about IEC
IEC coordinates our over 130 affiliate member organizations to share resources, mobilize supporters,
and respond quickly to the most pressing issues facing the environment in Illinois.
ABOUT US
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.

Conservation
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.

Sustainable Agriculture
Farms cover about 75% of the Illinois' total land area.
OUR UPDATES
Big Ugly Bill Passes U.S. Congress, Reversing Critical Climate and Environment Protections
State-level action needed to safeguard consumers and Illinois’ climate goals ILLINOIS — Today, U.S. Congressional Republicans passed H.R. 1, informally known as the “Big Beautiful
REQUEST FOR PROPOSALS: Event Consultant – 50th Anniversary Gala
The Illinois Environmental Council (IEC) is looking for a Communications Intern to join our amazing team.
Protected: Illinois’ Role in Great Lakes Protection
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2025 Legislative Report
IEC’s state legislative team has published our 2024 Legislative Report detailing environmental wins and setbacks during this year’s legislative session.
Shine On: Illinois Hopes to Continue Solar Boom Despite Federal Headwinds
Renewable energy advocates point to a 2021 law and state dollars as reasons for optimism in a challenging time. Illinois Shines, the state’s incentive program