Dr. Sanjay Gupta, accompanied by anti-pollution advocate Erin Brockovich, recently investigated the Tennessee coal ash spill -- the largest environmental disaster in U.S. history.
Read the companion CNN story and watch the segment here:
Last week NRDC and our allies petitioned the U.S. Environmental Protection Agency to promulgate regulations that designate coal combustion waste as a hazardous waste under federal law. Click here to learn more about our efforts to clean up toxic coal ash.