Before revision: Specific groups of pollutants Many pollutants are within the following notable groups: Persistent organic pollutants (POPs) Particulate matter (PM) Environmental Persistent Pharmaceutical Pollutants (EPPP ) Polycyclic aromatic hydrocarbons (PAHs) Volatile organic compounds (VOCs) Light pollutant Light pollution is the impact that anthropogenic light has on the visibility of the night sky.
After revision: Specific groups of pollutants Many pollutants are within the following notable groups: Environmental Persistent Pharmaceutical Pollutants (EPPP) Greenhouse gases (GNGs) Particulate matter (PM) Persistent organic pollutants (POPs ) Polycyclic aromatic hydrocarbons (PAHs) Volatile organic compounds (VOCs) Light pollutant Light pollution is the impact that anthropogenic light has on the visibility of the night sky.