The priimary cause of air pollutantion are the processes that emits CO2, SO2, and others. To reduce air pollution lessen these emissions by using gas capture techniques like the electrostatic precipitator and others. We can also encourage the use of public vehicles to lessen the number of driven vehicles.
If you can connect air pollution leads to global warming and thus climate change. So in order to decrease pollution levels 1. Lessen the usage of vehicles (motorised) 2. Industrial waste should be treated properly before releasing into the atmosphere
3 rd step is wrong as we have to combine it with the pine tree gene and for that we have to use ligase !! DNA polymerase will not help in making recombinant DNA !!