A $9 million investment in new trash cans for every household in Pittsburgh could curb litter and improve garbage collection, Public Works Director Chris Hornstein told City Council members Tuesday.

California regulators keep tabs on hazardous waste, kind of like how consumers track packages -- even on a short journey. What happens if regulators require less tracking?

On a smaller scale, Grochowski has become a litter lieutenant. He started using the “Litterati” app seven years ago to track ...