Greener clubbing.

• Position: THE NETHERLANDS - Brief article

If the crowd at CLub Watt in Rotterdam, the Netherlands, finds the atmosphere somehow electric, it's understandable: Their jumps and gyrations on the dance floor are being transformed into electricity that powers the light show in and around the floor. It's one of a handful, of energy-generating floors in the world, most still experimental Watt, which is part consciousness-raising and part green-energy experiment, describes itself as "'the first sustainable dance club." With its human engineering, the club partly powers itself: The better the music, the more people dance, and the more electricity comes out of the floor. The club is largely the creation of the Sustainable Dance Club, a company formed last year by a group...