Chemistry 215-Engelhardt

Even as a growing number of coal-burning power plants around the nation have moved to reduce their air emissions, many of them are creating another problem: water pollution. Power plants are the nation's biggest source of toxic waste, and while much of that waste once went into the sky, because of toughened air pollution laws, it now often goes into lakes and rivers, or landfills that have leaked into nearby groundwater, say regulators and environmentalists.