Ключевые слова: air pollution, atmosphere, carbon dioxide, change, chemical, climate, climate change, cloud sky, co2, coal, coast, coastline, concept, concepts, dioxide, ecology, emission, environment, environmental conservation, environmental damage, fossil fuel, gas, global, greenhouse gas, greenhouse gases, ideas, industry, landscape, natural, nature, ocean, ozone depletion, poisonous, pollution, reduction, sea, sky, smog, stratosphere, water,