Editorial remarks.-- Open discussion: Drinking water supply and sewerage services in the city of Buenos Aires, Argentina ; "Control panel" for promoting biofuels in Peru.-- News of the Network: Monopolistic practices hamper the development of countries ; Legislative Decree promoting private investment in irrigation projects ; Reduction of infant mortality in the region ; Externalities in urban projects ; Environmental cooperation in free trade agreements.-- Meetings: Law on the Superintendency of Public Works ; Latin American Conference on Sanitation ; Benchmarking Workshop for Water Utilities.-- Internet and WWW News