URISA is a non-profit association of professionals using Geographic Information Systems (GIS) and other information technologies to solve challenges in all state/provincial and local government agencies and departments. URISA promotes the effective and ethical use of spatial information and information technologies for the understanding and management of urban and regional systems. URISA provides high quality professional education, fosters communications among IT/GIS management professionals in state and local government, and encourages a multi-disciplinary approach to the design and use of urban and regional information systems. GISCorps assists the World Bank mission in the Sacred Valley of the Incas, Peru. GIS is an essential component of national Pollutant Release and Transfer Register (PRTR) systems. With archives, conferences, GIS policy, news, topics and workshops.