煤炭提供了全球30%的一次能源需求，發(fā)電量占全球的41.1%以上。它還用于生產(chǎn)世界70%以上的鋼材。2014年，世界煤炭總產(chǎn)量達到創(chuàng)紀錄的8022.5噸。

Coal provides 30% of global primary energy needs and generates over 41.1% of the world's electricity. It is also used in the production of over 70% of the world’s steel. Total world coal production reached a record level of 8022.5 in 2014.