Yes, very little habitat is involved. However, the problem... the real problem... still exists. When humans make mistakes, as they have sometimes been known to do, the "very little" turns into a shitload.

Chernobyl? James Bay? Valdez?...

Wind and solar, used to produce H, used in solid cells, is expensive, with one exception... it is almost completely environmentally friendly. Now... what costs more? over the life cycle?

Capitalist versus communist economics? You bet.... and, you'd better vote in the next election. Otherwise, she'll be comin round the mountain again, rather than tunneling through it, right up yer kilt.