We called these groups “target communications audiences,” and as a first step in our analysis we sought to define the characteristics of these groups and their information needs. To determine who the audiences of policy influencers and of direct advisors to government policy makers are for the information Apheis produces, we first sought to understand how policy on air pollution is made and by whom. For this purpose we drew on what we learned in the interviews conducted in London, Madrid and Barcelona, and on the analysis Saklad Consultants has conducted of complex decision- making processes in large organizations. The diagram in Figure 1 below, which emerged.