As various plans emerge for the recovery of New Orleans, these panelists offer some pointed lessons in flood prevention and reconstruction, from overseas, from our own history, and from other parts of the U.S.
ploaded on Dec 26, 2011
The pulser pump is about 20 years old (a river powered pump with no moving parts) and is simple appropriate technology
27 page intro to Fukioka's approach to regenerating desertified ecological communities.
Aug 3, 2009
Aprovecho Reseach Center and Shengzhou Stove Manufacturer won The Energy Champion Award at the Ashden Awards for Sustainable Energy in 2009. The Aprovecho Research Centre in the US and Shenghou Stove Manufacturers in China have pooled their rich experience and skills to produce a cheap, robust and efficient stove for mass production to developing countries.
Via youtube user : greentvgreentv