Ключевые слова: acid, atmosphere, burn, carbon, carbon credits, carbon dioxide, carbon footprint, carbondioxide, climate change, coal power plant, coalfired power station, crisis, dangerous, dark, dark sky, dioxide, dust, dusty, earth, ecology, energy, environment day, environmental, environmental protection, global, green house effect, industrial, ozone, poison, pollution, pollution industry, power, problem, refinery, release, scarey, scary, sky, smog, smoke, sustainable development, toxic, unleash, warming,