In Germany , 10 % of all electricity last month was supplied by solar power , and Germany gets about the same amount of sunshine as Alaska . Macpherson : Coal-fired power plants largest source of mercury pollution , a brain poison . Senate tied to learning and developmental problems , asthma , lower IQs , she says . Macpherson : After 2010 , Mercury set mercury and toxin emission standards . If EPA votes to kill limits , she says , water , air and kids will continue to be poisoned .
Macpherson : Coal-fired power plants largest source of mercury pollution , a brain poison . Senate tied to learning and developmental problems , asthma , lower IQs , she says . Macpherson : After 2010 , Mercury set mercury and toxin emission standards . If EPA votes to kill limits , she says , water , air and kids will continue to be poisoned .