It’s a Bird! It’s a Plane! It’s a Flying Wind Turbine!

A new generation of renewable energy entrepreneurs are currently developing turbines to harness the wind in the upper layers of the atmosphere, where some believe as much as 870 terawatts (or 87 trillion watts) of energy lurks. The question is how bring it back down to Earth. http://inhabitat.com/its-a-bird-its-a-plane-its-a-flying-wind-turbine/