also over cities engaged in the city prosperity initiative have monitored urban expansion and population growth using the same methodology applied for the global sample of cities taking advantage of international meetings specialized trainings were rovided to the large public on the definition concepts and methods to measure this indicator further capacitybuilding efforts targeting nsos and local governments are planned for to promote the monitoring and reporting of the indicator these technologies when combined with groundtruthing support the development and refinement of models which can be applied at local national regional and global scales to generate high accuracy data for monitoring