Non Profit Resources on Environmental & Sustainability Issues
Illinois Environmental Council: https://ilenviro.org 
Elevate Energy: https://www.elevateenergy.org/

Trees, Green Spaces, Gardens and Parks
Chicago Botanic Garden (Demonstration garden designs): http://www.chicagobotanic.org/ 
Arbor Day Foundation (Trees, Shrubs and Landscape designs): http://www.arborday.org  
Chicago Parks Foundation (Preservation & Support for Parks):  http://www.chicagoparksfoundation.org 
National Gardening Association (Garden Info & Advice): http://www.garden.org
Build Butterfly Gardens: https://www.dnr.illinois.gov/publications/documents/00000130.pdf
Native Plants/Where to Find: http://grandprairiefriends.org/nurseries.php 

Renewable Energy Resources
Consumer Affairs Guide on Solar: https://www.consumeraffairs.com/solar-energy/#guide-features
Illinois Solar Energy Association: http://www.illinoissolar.org  
Renewable Energy Association: http://www.illinoisrenew.org
Clean Energy Community Foundation:http://www.illinoiscleanenergy.org 
Illinois Wind Power:http://www.illinoiswind.org
 Energy Efficiency at Home – http://www.letsgosolar.com/solar-panels/rankings/efficiency/
 Ultimate Guide to Solar Panels – http://www.letsgosolar.com/solar-panels/
 Residential Solar Panels – http://www.letsgosolar.com/solar-panels/home-and-residential/

Air Resources
Clean Air:   https://www.epa.gov/clean-air-act-overview [Info has been edited 2017-18]
Chicago Daily Air Quality Report: https://weather.weatherbug.com/life/air-quality/chicago-il-60607     
Chicago Lung Foundation: http://www.lungchicago.org/advocacy-air-quality/

Water Resources
US EPA: https://www.epa.gov/laws-regulations/summary-clean-water-act  (edited & changing regs 2017-18)
Green Facts: http://www.greenfacts.org/en/water-resources/index.htm
IL EPA: http://www.epa.illinois.gov/topics/water-quality/monitoring/index  
Mr. Rooter's  Water W​aste Calculator is a water conservation tool that help individuals calculate how many liters of water faucet leaks waste per day and the resulting cost. 

Energy Efficiency Resources
Residential-single family buildings: http://www.elevateenergy.org/  
Residential with 2 units & up: http://energyimpactillinois.org/residential/

Green Shopping Resources
EESP is not endorsing these products, simply giving consumers a choice and point of reference: 
Underwriters Laboratories subsidiary: www.goodguide.com A guide measuring over 250,000 products. 
100% Recycled Paper Products: www.greenforestpaper.com  

Recycling Resources
Chicago Recycling Coalition
Commercial composting: www.collectiveresource.us
Styrofoam Recycling:  www.recyclebycity.com/chicago/ brief/where-can-i-recycle- styrofoam-in-chicago  

Planning & Development Resources
Chicago Development Rules: City of Chicago :: Chicago Sustainable Development Policy Handbook