The different challenges should be organized in a logical order as some tasks are interlinked and cannot be started without achievement of previous results. In most cases, a challenge implies a logical set of tasks to be realized in the field of activity, following the steps A-B-C-D. The most difficult step in the realization of any challenge is the connection between activity B and C. The activity B “Strategic” (coordinated by RIATE) is dedicated to the research of innovative solutions for the production of new data, new maps, new indicators interesting for the ESPON program as a.
