New Roads, Louisiana, US. This coal ash power plant is the 27th worst carbon emitter of US power plants, one of the 50 worst mercury polluters, and is known to be contaminating the groundwater around it with selenium which is leaching from its ash waste ponds. Coal ash is known to contain a variety of toxins including lead, mercury, arsenic, cadmium, boron, selenium. (Photo by J. Henry Fair/Industrial Scars/Papadakis Publisher)
