Secondary pollution refers to

Secondary pollution refers to the fact that primary pollutants change their original properties under natural conditions, or react with other substances in the environment to form new pollutants. The harm of secondary pollution is usually more serious than that of primary pollution, and it is difficult to prevent and control because of its complicated formation mechanism. Usually, measures such as reducing pollutant discharge and promoting pollutant diffusion and dilution are taken to ensure environmental governance.

Secondary pollution refers to the fact that primary pollutants change their original properties under natural conditions, or react with other substances in the environment to form new pollutants. The harm of secondary pollution is usually more serious than that of primary pollution, and it is difficult to prevent and control because of its complicated formation mechanism. Usually, measures such as reducing pollutant discharge and promoting pollutant diffusion and dilution are taken to ensure environmental governance.