City Planners are responsible for the development of a long-range comprehensive plan and the implementation of the tools that carry out important societal goals and objectives articulated in the plan. These tools include budgets, zoning, subdivision regulation, historic preservation, grading and storm water ordinances, complete streets policies, and site and design review, to name a few. In recent years, planners have come to embrace the concept of sustainable development after watching years of urban sprawl consume valuable natural resources and create unlivable communities. They now often espouse compact, efficient land use, more walkable and bikable communities, efficient resource use, less pollution and waste, better city design, the restoration of natural systems, good housing and living environments, a sustainable economy, and preservation of local historic and cultural resources.