Ключевые слова: 3d illustration, 3d rendering, air, atmosphere, background, change, chemical, chimney, climate, cloud, concept, contamination, defilement, dioxide, ecology, elimination, energy, environment, environmental, exhaust, factory, fight, flag, gas, global, industrial, industry, manufacturing, nature, pipe, plant, pollutant, pollute, pollution, power, problem, removal, smog, smoke, space, station, steam, technology, text, tunisia, tunisian, warming,