Ключевые слова: blow, blowing, blue, build, builders, building, chimney, clean, community, ecological, ecology, economic, economy, energy, environment, environmental, environmentally, europe, factories, factory, finance, financial, footprint, friendly, fuel, global, heavy, industrial, industries, industry, landscape, manufacture, manufacturing, pollute, polluting, pollution, power, process, sites, smoke, smoking, smoky, steel, union, warming, white,