The City of Chicago's Green Roof dataset and corresponding map provides the location, satellite images, and square footage of existing green roofs within the City of Chicago.

Chicago’s most famous rooftop garden sits atop City Hall, an 11-story office building in the Loop. City Hall and the adjacent Cook County building appear to most people as one building spanning a city block bounded by LaSalle, Randolph, Clark and Washington streets.

The Large Lot Program was a City of Chicago neighborhood stabilization initiative to help homeowners, block clubs and non-profit groups to purchase City-owned land for $1 per parcel.

The Open Space Section of DPD's Sustainable Development Division works to increase the amount of publicly accessible open space in Chicago.

The purpose of the Solar Zoning Policy is to provide guidance for the zoning review of solar photovoltaic (PV) projects in the City of Chicago and to make zoning design requirements transparent for solar PV system applicants.

A form for developers to use for each project that must comply with the Chicago Sustainable Development Policy.

To lead by example, the City of Chicago has developed this Sustainable Operations Plan for conducting day-to-day operations at City facilities in a sustainable manner.

Interested in growing food for sale in the City of Chicago? Thinking about starting a community garden? Recently adopted changes to the Chicago Zoning Ordinance allow agricultural uses like community gardens and urban farms in many parts of the city. Below is a list of frequently asked questions regarding the rules and regulations that growers should consider when planning an urban agriculture project.