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.
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.