James Bruggers NPR News In Orlando, a mountain of coal ash evades EPA rules. It's not the only one. James Bruggers Environmentalists want Biden's Environmental Protection Agency to aggressively regulate huge piles of toxic coal ash across the nation. The waste has polluted groundwater in 39 states. EPA Struggles To Track Methane From Landfills. Here's Why It Matters For The Climate Robert Benincasa