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:   Overview of the Clean Air Act and Air Pollution | US EPA 
Chicago Daily Air Quality Report: Chicago, IL Air Quality Index | AccuWeather    
Chicago Lung Foundation: http://www.lungchicago.org/advocacy-air-quality/

Water Resources
US EPA: Summary of the Clean Water Act | Laws & Regulations | US EPA 
IL EPA: Water Quality Standards Regulations: Illinois | Water Quality Standards: Regulations and Resources | US EPA  
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Energy Efficiency Resources
Residential-single family buildings: http://www.elevateenergy.org/  
Residential with 2 units & up: http://energyimpactillinois.org/residential/

Recycling Resources
Chicago Recycling Coalition
Commercial composting: www.collectiveresource.us
Styrofoam Recycling:  www.recyclebycity.com/chicago/ brief/where-can-i-recycle- styrofoam-in-chicago 
Glass Recycling: https://www.winecellarinnovations.com/wine-cellar-decor/glass-recycling-101  ​ 

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