The danger of coal ash, the toxic dust the fossil fuel leaves behind

Coal ash is a particularly dangerous byproduct of our dependence on fossil fuels. In communities that have dealt with coal ash spills, the incidents sparked concerns about toxins potentially seeping into water. Utilities have been pushed to adopt tougher safety standards -- but activists say the companies are resisting rules necessary for public health. Science correspondent Miles O’Brien reports. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter:   / newshour   Instagram:   / newshour   Snapchat: @pbsnews Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe