Josef Davies-Coates, founder of United Diversity has kindly let us know his top places to learn green skills.
There are lots of good courses being run at 3 of my favourite places:
http://www.ragmans.co.uk/ (many, including the one I'm doing now run
Been told they do really great stuff at: http://www.agroforestry.co.uk/
In London there is: http://www.naturewise.org.uk
Graham Burnett does lots of courses too: http://www.spiralseed.co.uk/
Landmatters another favourite place (that I've not visited yet): http://www.landmatters.org.uk/
Also recommended to me by someone whom I respect greatly: http://www.ecoworks.org.uk/
http://www.grofun.org.uk/ do great work in Urban Areas.
http://theholliesonline.com/ looks fab.
http://www.cat.org.uk/ run lots of courses as do http://lowimpact.org/
Oh yes, and http://www.dryadbushcraft.co.uk/ for Bush Craft stuff and no doubt more via http://www.bushcraftuk.com/
And finally Permaculture Association has great course listings: http://permaculture.org.uk/mm.asp?mmfile=learning
Oh, and of course good old wwoofing: http://www.wwoof.org.uk/
That probably covers most of the best stuff :)
THANK YOU JOSEF!