Tree Care Ireland. It's about being an instructor and a student at the same time, an expert and a novice in the same course. It is about sharing knowledge and re-gaining a love for learning new and exciting things and it doesn't cost anything. Nada, nix, nought. Have a look at this website and register. You need only have the time and desire to be part of a team.
This is the link address to the website http://pages.oprius.com/U918T
The photo above was borrowed from an exhibition by K.L. Kamat. I hope he doesn't mind.