Responsibilities
- Maintain a continuous, comprehensive, and coordinated planning process resulting in a regional transportation plan (RTP) and a federal transportation improvement program (FTIP). 
- Develop a sustainable communities strategy (SCS) to address greenhouse gas emissions as an element of the RTP. 
- Develop demographic projections. 
- Develop integrated land use, housing, employment, transportation programs, and strategies for the South Coast Air Quality Management Plan. 
- Co-lead agency for air quality planning in the Central Coast and Southeast Desert air basin districts. 
- Responsible for developing and ensuring that the RTP and the FTIP conform to the purposes of the state implementation plans for specific transportation-related criteria pollutants, per the federal Clean Air Act. 
- Authorized regional agency for intergovernmental review of proposed programs for federal financial assistance and direct development activities. 
- Review environmental impact reports for projects having regional significance to ensure they are in line with approved regional plans. 
- Develop an area-wide, waste treatment management plan. 
- Responsible for preparation of the Regional Housing Needs Assessment. 
- Along with the San Diego Association of Governments and the Santa Barbara County/Cities Area Planning Council, SCAG is responsible for preparing the Southern California Hazardous Waste Management Plan.