- Phone: 312-580-2100
- Email: illinois@tnc.org
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Make a Difference for 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. We’re building on that legacy and bringing people together to help solve today’s biggest conservation challenges, from climate change and habitat loss to protecting clean water. Together we’re stronger!
Power of Place: Clean Energy Solutions for People and Nature
TNC’s new national report can help energy planners & policymakers execute net-zero strategies that benefit climate, nature & people.
Latest News
Visit Indian Boundary Prairies
Soak up the summer sun at a TNC preserve! Explore a pollinator paradise at Indian Boundary Prairies, a rare black soil prairie south of Chicago.
Volunteer in Illinois
Volunteers are needed across Illinois—in cities, suburbs and rural areas—to help care for green spaces and share the wonders of nature with others.
50 Species, 50 States: 50 Years of Action for Nature
On the 50th anniversary of the U.S. Endangered Species Act, take a moment to celebrate 50 species central to conservation efforts in your state and beyond.
Illinois Nature Notes for July
Wondering what plants and wildlife you can see in July? Check out TNC’s Nature Notes for a monthly update on natural events happening in Illinois!
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.
Places We Protect
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.