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

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.

Best Electric Kettles

Stovetop kettles are nostalgically cute in movies and lovable as collector’s items, but when it comes to our time-crunched, energy-efficient world, electric kettles–which boil water twice as fast as their stovetop counterparts–are the way to go.

Highly Efficient House Uses 80% Less Power and Water

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 in this house, while still …