Environment Secretary Roy A. Cimatu navigates the heavily-polluted San Juan River as part his Technical Inspection of the Pasig Riveron September 25, 2019. San Juan Riveris one of the many rivers that flow to Pasig River which drains to Manila Bay. Cimatu, chair of the Manila Bay Interagency Task Force,has stressed the importance of the cleaup of esteros and rivers that drain to the historic bay because these are contributors to its water quality. ###