Light and air pollution often linger - along with the noise - long after the oil and gas wells have been sucked dry.
Scientists report worrisome changes to liver and kidney genes in rats, adding to evidence that exposure to the herbicide may be toxic.
Dennis Trainor, Jr. is the host and producer of Acronym TV. He has also produced and directed the documentaries American Autumn: an Occudoc and Legalize Democracy. Follow him on twitter (@DennisTrainorJr).