Following are links to organizations that you may find interesting and helpful.

Morton Arboretum Community Trees Program
Chicago Wilderness
DuPage Monarchs Project
Friends of the Edwards House in Downers Grove, IL website
Friends of the Edwards House in Downers Grove, IL facebook
Downers Grove Heritage Preservation Corporation
Downers Grove Park District
Downers Grove Park District Nature Center
Downers Grove Historical Society
Village of Downers Grove Community Development Department
Northeast Illinois Invasive Plant Partnership
Downers Grove Patch
The Nature Conservancy
Illinois Environmental Council
Environmental Defense Fund
Great Lakes Information Network

The Conservation Foundation

Link provided by Deb E. Coleman:
Home Water Conservation Guide

Environmental Education link provided courtesy of Tom Coner,  AI Horizon: Computer Science and Artifical Intellegence Programing:
Energy Conservation for Kids

Environmental Education link provided courtesy of Mrs. April McVey's 5th Grade Class, Cleary Mountain Union Free School District:
Water Conservation for Kids

Environmental Education link provided courtesy of Ms. Alyssa Collins' Girl Scouts in Denver, CO:
How to Conserve Water in the Bathroom

Environmental Education link provided courtesy of Bridget Thomson, Environmental Specialist, Pensacola, FL:
Water Saving Tips for Lawn Care

Environmental Education link provided courtesy of Sarah Fox, aftershool tutor in Colorado:
How You Can Save Water When Traveling

Environmental Education link provided courtesy of Emily Moore, lawn and graden blogger in Greensboro, NC:
55 Arboretums Everyone Should Put on Their Bucket List

Environmental Education link provided courtesy of Anna Quinn
and her daughter:
Ways to Reduce, Reuse, and Recycle Your Plastic Containers

Note:
Opinions expressed by the foregoing organizations should not necessarily be regarded as opinions of Pierce Downer's Heritage Alliance.