Have you ever volunteered at a animal shelter?>
No but I would love to. Around here they are called pounds and other places called animal shelters.
Yeah them places need help
Divergent ways to laws about animal cruelty occur different everywhere. 
YEs this is true
The shelters even have tropical animals that are sick.
Sad!
dogs. Critics believe the new term "animal shelter" is generally a euphemism for the older term "pound". The word "pound" had its origins in the animal pounds of agricultural communities, where stray livestock would be penned or impounded until claimed by their owners.
United States & Canada.
In the United States there is no government-run organization that provides oversight or regulation of the various shelters on a national basis. However, many individual states do regulate shelters within their jurisdiction. One of the
The first animal shelter of BC SPCA was built in 1955 in Vancouver. The establishment of such no-kill shelters and veterinary hospitals by BC SPCA is considered an important milestone in the history of animal welfare and rehabilitation.
Activities.
Being the only animal welfare organization in British Columbia that is authorized to enforce animal cruelty laws, BC SPCA has a Cruelty Investigations Department that investigates reports of cruelty towards animals, rescues animals if they are found to be subject to distress, and if required, initiates legal proceedings against perpetrators