Elle Macpherson : Coal-fired power plants largest source of mercury pollution , a brain poison . Comment: ( CNN ) -- Macpherson : After decades , EPA set mercury and toxin emission standards . If Senate votes to kill limits , she says , water , air and kids will continue to be poisoned .
Elle Macpherson : Coal-fired power plants largest source of mercury pollution , a brain poison . Comment: Macpherson : After decades , EPA set mercury and toxin emission standards . If Senate votes to kill limits , she says , water , air and kids will continue to be poisoned .