Engr. Nestor Patnugot, environment monitoring and enforcement division chief of the Department of Environment and Natural Resources Region 11 says that over 70 percent of the air pollution in Davao City comes from motor vehicles. (Paulo C. Rizal/davaotoday.com)
Engr. Nestor Patnugot, environment monitoring and enforcement division chief of the Department of Environment and Natural Resources Region 11 says that over 70 percent of the air pollution in Davao City comes from motor vehicles. (Paulo C. Rizal/davaotoday.com)
