Coal ash is currently a hot topic in United States politics. Just yesterday, the Supreme Court ruled to allow the Biden administration to move forward with a plan to address toxic coal ash, in the latest update in a drawn-out legal battle over monitoring and remediation of the toxic substance. But while coal ash is a noted hazard to public health and the environment, it could also be a key new resource for the clean energy transition. Millions of tons of coal ash, a byproduct of burning the world’s dirtiest fossil fuel, are currently sitting…
