"Wind returns to the environment"? Ahh, running wildly as wind should. Presumably, they mean, "some wind returns to the environment"? Currently, I'm reading th

"Wind returns to the environment"? Ahh, running wildly as wind should. Presumably, they mean, "some wind returns to the environment"? Currently, I'm reading that as, "massively inefficient". And it doesn't really "return to the environment" anyway, does it? It's channelled, focused and ?most? of the power is removed.