For the first time in the Solar Decathlon, a home that has produced twice the amount of energy as it used, won the first prize. And it did so in a very unusual way. Every year the US Department of Energy has a solar competition for the best house that gets 100% of its electricity [...]
Here’s an interesting idea. Take an old coal field and rehab it inside a solar powered glasshouse the size of a city block and put freestanding buildings inside the outer shell of glass and solar cells.