According to the Humane Society of the United States, four million cats and dogs—about one every eight seconds—are put down in U.S. shelters each year. Spay/neuter is a proven way to reduce pet overpopulation. Many cats and dogs who die as a result of pet overpopulation could have made wonderful pets. Between six and eight million dogs and cats enter U.S. shelters every year; far too many to all find homes. The organization has initiated a marketing campaign to get everyone involved in spreading the message. Check out how you can get involved HERE.