Environment Secretary Roy A. Cimatu (2nd from left) walks along the baywalk behind the SM Mall of Asia (MOA) in Pasay City to inspect the reported discoloration of the waters of Manila Bay. Cimatu also checked Outfall No. 3, located in the area, that discharges wastewater to the bay, and ordered the Department of Environment and Natural Resources National Capital Region and the Environmental Management Bureau to immediately conduct a joint investigation on the waste treatment plants of the buildings and establishments in the MOA area to find out the cause of the incident. ###