Defending our environment since 1970

  • Next HALLWAY BOOKSALE is October 15-27 (closed Sun/Mon.) Tues-Fri 11AM to 4PM and Sat-11AM to 3PM.

Our Mission

In order to protect all living things, the Environmental Defenders is dedicated to the preservation and improvement of the natural environment in McHenry County.  As a grass roots organization, we are committed to building sound ecological relationships between people and the natural world that supports all life.


We are a member based organization.
Please join us as a member and/or volunteer to help us advocate for a healthy environment and enjoy what we protect, together.

Preserve. Protect. Educate.