On the seismic issue, I think the unknown with that issue is the long-term impact. I'm not an expert in the area by a long shot, but intuitively, I don't think it's a great thing for the species that live there.
It's a bit like having a jackhammer in your kitchen when you're trying to cook supper. It really is intrusive, and who knows what impact that might have on reproduction? I don't know--