Ключевые слова: acid, acidification, activities, air, atmosphere, automobile, badge, banner, black, bubble, c02, carbon, chemistry, cloud, co2, combustion, consumption, contamination, design, dioxide, effect, emissions, emits, engine, environment, exhaust, flat, fuel, fumes, garbage, gas, greenhouse, icon, info, infographic, isolated, modern, plant, pollutant, pollution, puffing, rain, simple, smog, smoke, speech, toxic, transport,