I joined the Edmonton Reptile & Amphibian Society this last summer. The semi-annual shows that they put on are quite good (IMHO) and they have a rescue program for abandoned herps (mostly iguanas). The monthly meetings are great, especially for bringing kids. The Christmas party was pretty good too.
They do what they can to educate the community about herps and what it takes to keep them, especially iguanas which are being abandoned all too often. They send out a news letter and they do presentations for schools as well.
Their web site has a lot of room for improvment but here it is...