Well, someone is bound to invent something like this. In Africa, Crosby Menzies invented the solar cooker — a mirrored satellite-shaped dish that concentrates sunlight into one area like a giant magnifying glass. Now one doesn’t need coals for that outdoor barbecue. – Via Daily of the Day.
This is as green as people can get! A guy uses a bicycle to raise himself up a tree house. This is one great way to save on electricity and a practical one at that! – Via UpRoxxx.