Contact Us

We care what our members and supporters have to say. Please share your questions, concerns and feedback.

Our main address and phone number:

Environment Illinois
17 N. State St., Suite 1330, Chicago, IL, 60602

(312) 544-4430

Questions about membership and automatic giving

Call 1-800-401-6511
Our membership office is located at: 1543 Wazee St #430 Denver, CO 80202
Email us.

If you’re a supporter with a recurring gift and want to update your credit card information, visit our Credit Card Update page. 

Questions about other ways to give

Find out about other ways you can give (planned gifts, gifts of stock, vehicle donations and more.)

To contact our planned giving coordinator, call: 1-800-841-7299.

Email us.

Frequently asked questions

Q: Is my gift tax deductible?

A: Environment Illinois is nonprofit, but due to our legislative work, Environment Illinois is classified as non-tax deductible—a 501(c)(4).  We also have a tax-deductible sister organization, Environment Illinois Research & Education Center

Q: How do I change or cancel my automatic giving?

A: Call 1-800-401-6511 or email us and let us know how we can help you. If you’re a supporter with a recurring gift and want to update your credit card information, visit our Credit Card Update page. 


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Other resources & opportunities

Job and internship opportunities

Staff information