Is This The World’s Most Efficient Windmill?

Is This The World’s Most Efficient Windmill? (photo: William Kamkwamba)

Sometimes the epitome of efficiency is using whatever tools are available to accomplish the job at hand. No one understands this better than William Kamkwamba, a teenager from rural Malawi whose ingenuity provided his family and neighbors with electricity from a most unlikely source.

GreenFiber Cocoon Insulation: Energy Efficiency From Recycled Material

GreenFiber Cocoon Insulation: Energy Efficiency From Recycled Material (photo: GreenFiber)

One of the simplest ways to improve a home’s energy efficiency and comfort is to make sure that it is properly insulated. Cocoon Insulation from North Carolina-based GreenFiber is a highly efficient insulator, offering more convenient installation and higher R-values than common alternatives, as well as utilizing recycled source material.

Highly Efficient House Uses 80% Less Power and Water

Margarido LEED Platinum House

I have to mention this highly optimal house recently completed in California. Jetson Green has all the details, so I won’t repeat them here. Basically, the Margarido House is on its way to being the first home the nation that’s both LEED-H certified and GreenPoint rated. I’m impressed by how many green elements are incorporated […]