Our cities and suburban areas are the places that will absorb future human populations more than any other landscape. These population increases present both opportunities and challenges for urban centers. Opportunities exist because cities have the critical mass to support the infrastructure improvements necessary to reduce carbon and ecological footprints, create social cohesiveness and foster economic growth. The challenge is how transform urban buildings and infrastructure consistent with sustainability goals without significantly disrupting regional economies, the community’s fabric and the integrity of urban open spaces. SIG offers services and resources that can aid urban planners in overcoming challenges and creating sustainable cities by offering the following services.