Their aim is rehousing unwanted dogs and with this in mind run a 'foster' scheme. If you have a moment, please visit their site. If you have any time or money to spare, please consider donating either. From a quick look around this site they are doing sterling work not only with dogs but also potential owners while at the same time educating children to become responsible dog owners.
I think I know now why mum told me not to talk to strangers. They can make you feel totally humbled.