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.
Nature Is Common Ground—and Common Sense
The Nature Conservancy remains committed to creating a world where everyone thrives alongside nature for generations to come, protecting and preserving nature.
Latest Stories
Create a Buzzworthy Backyard: Eight Great Ways to Help Pollinators and Other Insects Thrive
Discover how everyday conservation actions at home can make a big impact on pollinators and other insects in the Midwest and beyond.
Midwest Migratory Birds
Millions of migratory birds are using TNC sites to rest and refuel as they migrate through the Midwest.
Celebrating Nature Policy Wins in Chicago Suburbs
Chicagoland voters cast a ballot for nature in November to secure $500 million for public natural areas—one of many local and state policy wins.
Small Wetlands, Big Benefit: How to Harness Nature to Filter Agriculture Runoff
A long-term study on an Illinois farm shows that constructed wetlands can reduce excess nutrients in agricultural runoff by nearly 50%, a huge win for drinking water quality and wildlife habitat.
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.