• U.S. Green Building Council (USGBC): www.usgbc.org
• Canada Green Building Council: www.cagbc.org
• Green Seal: www.greenseal.org
• Green Globes: www.greenglobes.com
• Global Green: www.globalgreen.org/greenbuilding/
• Engineers Without Borders (USA): www.ewb-usa.org
• Scientific Certification Systems: www.scscertified.com
• Green Quiz: www.yale.edu/procurement/greenPurchase/Green%20Quiz.htm
• Advanced Buildings Technologies & Practices: www.advancedbuildings.org
• U.S. Environmental Protection Agency (EPA): www.epa.gov/greenbuilding/
• Colorado Green Consortium: www.greenconsortium.com/
• Energy Star: www.energystar.gov/
• Forest Products for LEED: www.panelsource.net
• Computer Power Management Calculator: http://pmdb.cadmusdev.com/powermanagement/quickCalc.html
• Ideal Bite: http://www.idealbite.com/

• Cool Roof Rating Council: www.coolroofs.org/
• Green Roofs: www.greenroofs.com/
• Ohio Department of Natural Resources: http://www.dnr.state.oh.us/forestry/trees/default.htm
• Perennial Resource: http://www.perennialresource.com/index.cfm?fuseaction=home.home
• Minnesota Department of Natural Resources: http://www.dnr.state.mn.us/plants/index.html
• Landscape plants of the upper midwest: http://www.midwestlandscapeplants.org/index.cfm
• Green Grid: www.greengridroofs.com/
• Pervious Paving: www.invisiblestructures.com

Energy & Atmosphere

• Solar Energy International: www.solarenergy.org
• Energy and Atmosphere: http://www.awea.org/
• Water Efficiency: http://www.toolbase.org/Technology-Inventory/Plumbing/low-flow-plumbing-fixtures
• Blue Thumb: www.bluethumb.org

Materials and Resources

• Forest Stewardship Council: www.fscus.org
• Environmentally Preferable Purchasing: http://www.epa.gov/opptintr/epp/
• Oikos: www.oikos.com/green_products/index.php
• Dovetail Partners, Inc: www.dovetailinc.org/main.htm
• MBDC Cradle to Cradle: www.mbdc.com/index.htm

Indoor Environmental Quality

• Green Seal: www.greenseal.org/
• PaintSquare: Credit 4.2 Paints and Coatings
• Greenguard: http://www.greenguard.org/Default.aspx?tabid=14

• Sustainable Sources: www.greenbuilder.com
• Green Building: www.greenbuilding.com
• Green Home Building: www.greenhomebuilding.com
• Greening America's Schools (Cost Benefits Study): www.resourcesaver.com/ewebeditpro/items/O59F10148.pdf
• Other Capital E Publications (authors of Greening America's Schools): www.cap-e.com/publications/default.cfm
• Emissions calculators: www.cleanerandgreener.org/resources/calculators.htm
• Lighting: www.sylvania.com/Recycle

• USGBC - Flatwater Chapter (Nebraska): chapters.usgbc.org/flatwater
• USGBC - Mississippi Headwaters Chapter (Minnesota): www.usgbcmn.org/
• USGBC - Iowa Chapter: chapters.usgbc.org/iowa
• USGBC - Cascadia Region (Oregon):  www.cascadiagbc.org
• USGBC - Colorado Chapter: chapters.usgbc.org/colorado
• International Initiative for a Sustainable Built Environment: www.greenbuilding.com

• Environmental Building News: www.buildinggreen.com
• eco-structure: www.eco-structure.com
• GreenSource: www.greensource.com
• Environmental Design + Construction: www.edcmag.com