dirty and wornout buildings outdoors

architecture polluted urban decay gritty cityscape environmental degradation smoggy skyline dirty buildings soot stained facades air quality issues industrialization impact acid rain damage corrosion rusting steel structures weathered stone faades building erosion contaminated runoff water pollution sewer overflow toxic waste chemical spills plastic litter garbage dumping management problems illegal dumpsites fly ash emissions diesel exhaust fumes greenhouse gas co2 levels smog alerts ozone depletion airborne pollutants particulate matter health risks respiratory