Ключевые слова: air pollution, architecture, atmosphere, buildings, carbon dioxide, change, chemical, climate, climate change, cloud sky, co2, coal, concepts, construction, dioxide, emission, environment, environmental damage, fossil fuel, gas, global, greenhouse gas, greenhouse gases, house, industry, material, nobody, old, outdoors, ozone depletion, poisonous, pollution, protection, reduction, roof, roof tiles, roofing, rooftop, safety, security, sky, smog, stratosphere, structure, wall building feature,