A pollutant is a physical, chemical or biological substance intentionally or unintentionally released into environment which directly or indirectly harmful to living organisms.
Stock pollutants: Pollutants towards which environment has little or no absorptive capacity. (e.g. persistent synthetic chemicals)
Fund pollutants: Pollutants which have absorptive capacity, doesn’t cause much damage unless its limit exceeds to the absorptive capacity of environment. (e.g. CO2)
Journal of Pollution received 64 citations as per Google Scholar report