Ключевые слова: air, background, beauty, blue, carbon, challenge, chimney, climate change, color, contrast, damage, danger, ecology, ecosystem, emissions, environment, extinction, factory, flowers, fossil fuels, fragility, global warming, green, greenhouse gases, impact, industrial, industry, nature, orange, pipe, plant, pollution, power, power plant, risk, sky, smog, smoke, stack, steam, survival, threat, toxic, white, yellow,