I'm trying to find places where i can do community serivice hours in either phoenix or scottsdale, AZ?

hey im trying to find out where i can do community service volunteer hours for free in phx or scottsdale az. i wanted to a Soup Kitchen, work with infants or babies, help at an animal shelter, or work with children- however, i cant find where any are located! plz help me. im doing it for my school and to do a good deed! :) so either work with: BABIES, INFANTS, CHILDREN, ANIMAL SHELTER, SOUP KITCHEN. do u know where any are located? i was thinking a hospital or orphanage for the kids and babies but where are some animal shelters in phoenix or scottsdale?! plus, im 15 and in high school, but im very responsible and love helping people :)