A lot has been said about the growth of clean technology, however, I think as a site, the Green SupplyLine has somewhat ignored the contributions of designers and engineers into one of cleantech's fastest growing sectors - green building.
With many governments offering incentives to make your house or building "greener" its no wonder that this facet of clean technology has grown so quickly.
Here is a very interesting video on green building I thought you might enjoy:
Researchers from the Fraunhofer Center for Sustainable Energy Systems and Dow Corning Corporation are working on materials to protect solar cells from environmental influences. Silicone appears as one of the most promising materials.