Erie Reader -Spotted lanternflies are unwelcome pests. Emerald ash borers are a nuisance. But more devastating to Pennsylvania’s environment than either of these invertebrate species has been a class of vertebrates referred to colloquially as “litterbugs,” although you might know them better as family, friends, neighbors (or “ignoramuses” and other words unfit for print). Pollution is a problem in the Keystone State. Consider that during a 2018-19 Pennsylvania Litter Research Study, which measured on-the-ground litter counts in 180 locations (populous and not-so-populous), local roads averaged 1,030 litter items per mile, adding up to an estimated 502 million litter items on roadways throughout the state (with cigarette butts and plastics comprising two-thirds of it).