As China's economic lifeline, the iron and steel industry used to be a black
smoke maker and blue-sky killer in the eyes of many people.
In 2007, SO2 emissions by China's large and medium-sized steel and iron
enterprises were estimated at 756,368 tons, down 0.51 percent year-on-year. And
the discharge of industrial coal ash was 382,275 tons with a 2.79 percent
decline. Otherwise, soot discharges increased 3.02 percent, totaling 156,648
tons.
The Long March of environmental protection and energy efficiency for
China's steel and iron enterprises is still challenging, though many in the iron
and steel industry have launched a green revolution in order to improve their
old image.
Wuhan Iron and Steel (Group) Corp (WISCO) is one such environmental
protection warrior.
As China's thrid largest steel and iron manufacturer, WISCO used to be a
major polluter in Wuhan, capital of Hubei province. Many residents complained
and criticized the firm, joking that sparrows would turn black after flying over
WISCO's mills.