Ключевые слова: aerial view, air pollution, air quality, atmosphere, carbon footprint, chimney, climate change, climate crisis, climate policy, clouds, cloudy, combustion, conservation, ecological, ecological footprint, ecology, emission standards, emissions, energy, environment, environmental health, environmental impact, environmental issue, environmental protection, environmentalism, exhaust, factory, fossil fuels, fumes, global warming, greenhouse gases, hazy, health hazard, heavy industry, industrial, industrial landscape, industry, manufacturing, pollution, power plant, smog, smoke, smokestack, sustainability, sustainability challenge, technology, toxic, toxic emissions, urban, urbanization,