@CNN: Waste ash from hundreds of coal-fired power plants has contaminated groundwater in 39 states with toxic substances like arsenic, lithium and mercury, according to a report by two environmental groups that was based on data the plants reported to the EPA https://t.co/nnkV4RqDX6

@CNN: Waste ash from hundreds of coal-fired power plants has contaminated groundwater in 39 states with toxic substances like arsenic, lithium and mercury, according to a report by two environmental groups that was based on data the plants reported to the EPA https://t.co/nnkV4RqDX6