Have you ever adopted an animal from an animal shelter?
No I have not, but if I were ever going to get a dog, I would get one from a shelter. In Europe, all but 4 out of 30 countries surveyed, permit the killing of healthy stray dogs.
Oh no! That's terrible! I've adopted four cats over the years from shelters. Does Europe have many non-kill animal shelters?
There are a few, but even at a no-kill shelter, it is only 90% that are really expected to be saved.
That's crazy! I think the numbers are a little different in the United States.  I know that some of our shelters do euthanize, but we have several that don't. 
No-kill shelters use many different strategies to promote shelter animals. They use volunteers, housing and medical protocols, and actively work to lower the number of homeless animals entering the shelter system.
They do great work. I would like to volunteer at my local shelter. We have several nearby, one is called Big Dog Ranch. They rely heavily on volunteers and donations to keep their operation running, but they don't euthanize the dogs, so it's a great organization.
Some shelters even house tropical animals.