Permaculture project starting in Egilsay in the Orkneys.
Really interesting article about folks who built a cabin (they don't actually live there) for $7k of materials on an island near Vancouver.
A Guatemalan NGO that build all kinds of whacky devices from bicycles including water pumps, blenders, nut shellers, mill / corn threshers. Incredible stuff.
Useful info on micro hydro including a chart showing head and flow to output power. Very handy.
Lots of info on micro hydro including a book on creating your own systems.