I am thinking about volunteering at an animal shelter, but don't know much about them.
I think you should working at an animal shelter or pound is very fulfilling 
Are there all kinds of animals there or just dogs?
Animal shelter
An animal shelter or pound is a place where stray, lost, abandoned or surrendered animals, mostly dogs and cats, and sometimes sick or wounded wildlife are kept and rehabilitated. While no-kill shelters exist, it is sometimes policy to euthanize sick animals, and any animal that is not claimed quickly enough by a previous or new owner. In Europe, of 30 countries included in a survey, all but four (Czech Republic, Germany, Greece, and Italy) permitted the killing of healthy stray
I don't think you can get much more honest than that. It just sounds like the band's in the front room with you." In a radio interview with Richard Skinner at the time of the album's release, Hollis commented that "I think silence is an extremely important thing. It isn't something that should be abused. And that's my biggest worry because of the whole way that communications have developed, that there is a tendency just to allow this background noise all the time rather than thinking about