Ключевые слова: app, art, atmosphere, black, carbon, carbonic, chemistry, clip, cloud, co2, concept, cutout, dioxide, eco, ecology, effect, element, emissions, emits, exhaust, flat, formula, gas, geometric, graphic, gray, icon, illustration, isolated, label, mark, nobody, on, pollutant, pollute, pollution, quality, related, round, seal, stamp, symbol, text, toxic, traffic, trash, vigor, web, white,