Illinois
- Phone: 312-580-2100
- Email: illinois@tnc.org
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Protecting Illinois Nature
For more than 60 years, people like you have helped The Nature Conservancy protect the sun-kissed prairies, shady oak savannas and tranquil forests of Illinois. With your support, we can build on that legacy by bringing people together to help solve today’s biggest conservation challenges, from climate change and habitat loss to protecting clean water.
2025 Illinois Annual Report
Look back over the year to see how The Nature Conservancy is using our strengths to meet the moment.
Celebrating Wins for Nature in the Midwest
Explore inspiring Midwest wins—stories of habitat protection and restoration, species revival, and clean energy, all powered by collaboration and community.
More For Illinois
Nature-Based Farming Practices Support River Health
A study of TNC's Upper Mississippi River Foodscape found that implementing regenerative agriculture practices on 50% of row crop agriculture can reduce the environmental impacts on the river.
Lesser Scaup Highlight Ecological Changes Caused by Dams
Lesser scaup use the Mississippi River as a migratory path. Pool 19, a critical midway resting point for the ducks, is in need of restoration to sustain a healthy habitat for scaup and other wildlife.
Should You Provide Water for Birds in Winter?
Tips on how to safely provide drinking water for birds this winter.
Keeping Tabs on the Mississippi
In 2020, The Nature Conservancy embarked on an ambitious five-year effort to design and fund a “sentinel system” to monitor the Mississippi River, from end to end and across the basin.
We Can’t Save Nature Without You
Sign up to receive monthly conservation news and updates from Illinois. Get a preview of Illinois’ Nature News email.
See the Places We Protect in Your Community
From lush prairies and rare savannas to vibrant wetlands and rivers, The Nature Conservancy has helped protect more than 100 sites throughout Illinois in the past 60 years.
