Ключевые слова: carbon, climate, climate change, clock, coal, coal mining, construction, dig, dirty, ecology, electricity, end, energy, environment, environmental, equipment, fossil, fuel, geology, heavy, industrial, industry, job, labor, landscape, lignite, loader, machine, machinery, mine, miner, mineral, mining, nature, pollution, power, power plant, renewable, safety, site, stop, technology, transportation, truck, tunnel, underground, vehicle, work, yellow,