EPA to limit mercury emissions from power plants by 2011

The Environmental Protection Agency will put controls on the emissions of hazardous pollutants such as mercury from coal-fired power plants for the first time by November 2011, according to an agreement announced Friday to settle a lawsuit against the agency. Many other polluters were forced to reduce emissions of toxic material such as mercury, arsenic and lead after the Clean Air Act was strengthened in 1990. Power plants, however, the largest source of mercury pollution, aren't subject to nationwide rules. The tougher rules will clean up more than just heavy metals because some kinds of pollution controls -- scrubbers, for example -- also remove other pollutants, such as soot...read more