'THE POISON PLASTIC': WHY CALLS ARE GROWING FOR A BAN ON PVC

DRAMATIC IMAGES of the Ohio train derailment and its aftermath gripped the world’s attention in February: a huge plume of thick, black smoke towering into the atmosphere; the blackened carcasses of railcars on their sides, scattered in an unnatural formation; a land scorched and scarred from 50 rail cars, many carrying toxic chemicals, coming off the tracks.