A ban on smoking and an anti-litter campaign in recent years have made cars much cleaner, riders say.

Earlier in her career, Porter garnered national attention for her involvement and implementation of anti-litter campaigns in Westminster.

At the same time, the cuts have also greatly increased anti-litter campaigns from business and civic groups.

In the last few years, Metro-North has tried a few anti-litter campaigns, with posters and on-board announcements.

Members of the 5th Kentish Town Pack worked on an anti-litter campaign as part of their Conservation badge.

In the United States there are a number of organisations running anti-litter campaigns.

It has also been used as the soundtrack to an Irish anti-litter campaign.

An anti-litter campaign has won praise from the Tidy Britain Group.

Passengers say that trains are generally cleaner since the railroad banned smoking and instituted anti-litter campaigns in recent years.

A public anti-litter campaign could offer a similar license for urging careful behavior.