Ключевые слова: air, air pollution, atmosphere, carbon emissions, chemical, chimney, climate, climate change, climate crisis, cloud, coal, contamination, dirty, earth day, ecological, ecology, ecosystem, emission, energy, environment, environment pollution, environmental damage, environmental impact, environmental issue, exhaust, factory, fume, gas, global warming, impact, industrial, industry, manufacturing, nonsustainable, pipe, pipes, plant, pollute, pollution, power, problem, sky, smog, smoke, station, steam, sustainability, technology, toxic,