If you are interested in building your own D.I.Y. solar water heater then V3 Power are running a course in how to build a solar water heater at Ecoworks on the 18th and 19th of July. It's a great opportunity for people to learn hands on skills in self sufficiency and DIY renewable energy.
£80 waged/£concessions available
more details from
 http://www.v3power.co.uk/

details of other courses at Ecoworks and map to site at
www.ecoworks.org.uk