chins's major cities have some of the world's _____ smog. Record levels of air pollution _____ Beijing, the capital, for weeks last winter. The Chinese government, which had long ignored the problem, is finally taking notice. In September, China's Cabinet announced a plan that aims _______ the country's heavy _____ on coal to below 65 percent of total energy usage by 2017. Last week, Beijing also announced a set of color-coded emergency measures for bad ___ days.