What Is Coal Ash and Why Is It Dangerous?

By CHRISTOPHER MELE September 21, 2018 at 05:30AM What Is Coal Ash and Why Is It Dangerous? U.S. Coal ash refers to what’s left after coal is burned. Those remnants pose environmental and health risks, especially when storage ponds are breached. via NYT https://ift.tt/2I3SHD6 Water Pollution, Hazardous and Toxic Substances