Laurie McCannon, director of the Northeast Animal Shelter in Salem, Mass., with a dog named Trina. Three-quarters of the dogs adopted from the shelter in 2013 were from out of state.
Shannon Mullen for NPR
Miami-Dade County's animal shelter takes in more than 28,000 dogs and cats each year. In 2012, the county adopted a resolution that the shelter would become a no-kill facility. But even no-kill shelters can euthanize up to 10 percent of their animals.
A puppy waits at an adoption event in Miami last year. The city is now considering a ban on the sale of puppies in retail pet stores. Cities and towns in several states have passed similar bans, aimed at cracking down on substandard, large-scale puppy breeders.