
Nowadays,as the rapid development of technology,it brings a lot of negative problems at the same time.The waste of sources,competitions for jobs intensifies,etc.But I think one of the most serious problems is air pollution,which may have an impact on human health.
Arizona is facing an increasingly serious issue of air pollution now.Although the state has a relatively dry and open environment,it still struggled with poor air quality due to a mix of natural and human factors.And in Phoenix,it also reports high levels of pollutants,particularly ozone and particulate matter.
One major contributor is vehicle emissions.As Arizona’s population continues to to grow,so does traffic,leading to higher amounts of nitrogen oxides and other harmful gases.In the summer,intense sunlight and heat react with these pollutants,forming ground-level ozone-a major cause of respiratory problems.
Dust storms are another natural factor that can worsen air quality.Human activities like construction and land development have made them more severe.Industrial emissions and wildfire smoke,especially during dry seasons,also contributes to climate change.