Commission on Global Food Security   Background The enormity of the problem Why do plant diseases matter? What the Commission can do   Food security focus at plant pathology congresses     A new journal, Food Security   Knowledge base on plant diseases and food security     Supporting cassava farmers in Ghana     Raising public awareness of plant diseases in Southern Africa   Members of the Commission Aim of the Commission The Commission in the history of ISPP   Commission Meetings since 1999   Activities agreed at 1999 Meeting