We learned from the other states that the signs had an impact on reducing litter. It gives people who don’t litter and are offended by it, a chance to do something about it.

So much of the waste discarded at the side of the highways can be hazardous to wildlife, streams and motorists themselves trying to dodge it.

But those filters are no longer made of cotton. There are over 90 active toxins in cigarette filters. And because they’re light, they can travel by wind or water and get into water systems. They’re...

We don’t know how much is lost by people having a bad perception: losses in retirees, business relocations, vacations and people passing through who decide they don’t want to come back here.