He introduced the New York City canine waste law, commonly known as the "pooper-scooper" law, which requires dog owners in New York City to clean up after their pets.
DNA samples would be required when pet licenses come up for renewal.
In 1996 he received the Levstik Award for his books Drekec Pekec in Pukec Smukec (Super Pooper and Farty Party) and Leteči mački (Flying Cats).