Ключевые слова: air, air pollution, atmosphere, carbon, carbon dioxide, chemical, chemical plant, chimney, climate, co2, contamination, dioxide, dirty, ecology, emission, emissions, energy, environment, environmental, eu, europe union, exhaust pipe, facility, factory, fossil, fossil fuel, fuel, fumes, gas, global, global warming, greenhouse, industrial, industry, manufacturing, plant, polluting, pollution, production, smog, smoke, smokestack, station, steam, structure, technology, toxic, toxic substance, vapor, warming,