Check out the following organisations if you want to volunteer in Kazakhstan.
Hare Krishna: Do gardening on the domain of the Hare Krishna community in Almaty.
Posodi Derevo: Very active plant-a-tree organisation battling for conservation in Kazakhstan. Head office in Almaty with branches all over Kazakhstan.
Questions and tips welcome in this forum thread. Try the following pages for more volunteer opportunities
If you know an organisation in need of volunteers, please let us know, so we can add you to the list!