Here’s a little video I did two years after the “Christmas coal ash spill” in Tennessee. The long and the short of it is we still don’t know what to do with all the ash leftover after our coal burning. And, unlike CO2 and other air pollutants, coal ash doesn’t get a lot of attention. But all of our pollution controls are, essentially, moving the problem of pollutants from our air (via smokestacks) to our water (via leaching from coal ash).
is an award-winning journalist writing most often about the environment and energy. His book "The Unnatural World" publishes November 2016. It's about whether the planet has entered a new geologic age as a result of people's impacts and, if so, what we should do about this Anthropocene. He also hosts documentaries, such as "Beyond the Light Switch" and the forthcoming "The Ethanol Effect" for PBS. He is the science curator for TED. View all posts by David Biello