Ключевые слова: air, atmosphere, carbon, chemical, climate, clouds, contamination, development, distress, ecology, economy, emissions, energy, environment, environmental, exhaust, factory, footprint, fumes, gas, global, green, habitat, haze, health, heavy, impact, industrial, industrialization, industry, infrastructure, landscape, manufacturing, natural, output, pollution, quality, resources, rural, science, site, sky, smog, smoke, smokestacks, sustainability, technology, terrain, warming, waste, weather,