environmental impact of air pollution in modern cities, urban haze

airpollution urban smog cityscape environment climate industrial haze atmospheric ecological crisis global warming emissions carbon dioxide particles toxic gases contamination environmentalism health risks public awareness life sustainability dirty air quality greenhouse exhaust fumes industry factory chimney footprint urbanization traffic congested skies justice control policy regulation damage degradation eco green clean friendly ecology prevention monitoring statistics data sources facts articles news visualization atmosphere city conservation protection industrialization smoky development index matter vehicular