Make haste slowlyCOAL kills, especially in China. Up to half a million people die prematurely each year as a result of the country’s infamously foul air. Coal, from which China gets roughly four-fifths of its electricity, is the main contributor to that deadly pollution. And since the country’s power-generation may need to double by 2030 to keep pace with economic growth and more affluent lifestyles, the damage fr
