City of Chicago Department of Environment
One of the nation's leading environmentally-aware cities, Chicago runs a variety of green initiatives through this department.

Energy Star
This joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy promotes energy efficient products and practices.

A Fresh Squeeze
Subscribe to twice-weekly emails offering tips, local resources, and ideas for living green in Chicago.

GreenBean
News and discussion about built, in-progress and unbuilt green projects in Chicago appear on this blog by a green building advocate.

Greener Buildings
This resource helps companies of all sizes and sectors understand how responsible choices align with business success.

Greenmaker Supply
Chicago's wholesale and retail supplier of energy intelligent, environmentally sensitive, and healthy building materials serves both homeowners and the building community.

Urban Land Institute (ULI)
A membership-based nonprofit organization, the Urban Land Institute encourages responsible use of land through proposed solutions, recommended best practices and by building consensus among communities.

U.S. Green Building Council
Formed from a coalition of leaders from every sector of the building industry, this group is working to transform the way buildings and communities are designed, built, and operated. The USGBC manages the consensus-based LEED Green Building Rating System™.