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Illinois

A monarch butterfly flying toward purple asters.
Monarch at Kankakee Sands Kankakee Sands Illinois is home to rare black oak savannas that support a plethora of wildlife and insects. © Michael R. Jeffords

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.

Donate Now
An aerial photo of the Emiquon Preserve showing green vegetation and a large body of water with islands beneath a blue sky with white clouds.

Emiquon: Bringing a River Floodplain Back to Life

The Nature Conservancy’s Emiquon Preserve is a prime example of successful river floodplain restoration. Learn more about the history of the Emiquon Preserve and TNC’s role in its conservation.

Get Inspired
Bison grazing in a misty field full of flowers.

Celebrating Nachusa’s 40th Anniversary

Over the past four decades, a dedicated community of scientists, staff and volunteers have grown Nachusa Grasslands in Illinois into a prairie jewel.

40 Years of Stewardship

More For Illinois

A close-up photograph features purple and white wildflowers blooming in a prairie.

Preserve’s New Name Marks a New Chapter in Markham, Illinois

Markham Shkode Prairies, formerly known as Indian Boundary Prairies, was renamed following an in-depth community-informed process.

Comic-book style panels featuring various animals with words that hint at their superpower.

Top 10 Superpowered Animals of the Midwest

From polyester bees to wood frogs, Superman has nothing on these extraordinary animals in the Midwest. Meet these 10 superpowered animals and learn why conserving their natural habitats is vital.

A bee on a coneflower.

Create Wildlife Habitat Around Your House

Tips and resources to turn your yard into wildlife habitat—without bothering the neighbors.

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Three children exploring TNC's Nachusa Grasslands Preserve in Illinois under a sunny blue sky.
Frolicking the Fields The whole family can enjoy exploring TNC Illinois' preserves all year long. © Ami Vitale

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.

Explore

Extra! Extra!

Catch up with all we are doing in Illinois and beyond.

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