Business tycoons Ramon Ang and Lucio Tan are interested in cleaning up and rehabilitating major rivers in Metro Manila to complement government efforts at restoring Manila Bay, Environment Secretary Roy Cimatu said Wednesday. During the “Kapihan sa Manila Bay” news forum, Cimatu said Ang offered to clean up the Tullahan River – one of the most polluted rivers in Metro Manila. Tullahan River springs from La Mesa Water Reservoir in Quezon City and empties into Manila Bay in Navotas City.

Ramon Ang, Lucio Tan want to clean up major Metro Manila rivers - DENR. (2019, February 8). Panay News, p. B8.