> they shouldn't be build anywhere near areas where people live

Surely, that societies have a clear idea that noise pollution must be a concern would be duly and civilized -

but, that territory impairing infrastructure is placed in the few quiet places remaining, is a special kind of madness in itself.

Also considering that urban areas in many territories already are a huge compromise in terms of quiet, so you will want to keep the few unpolluted places remaining as a reserve...

Certainly not my area of expertise but would it be possible to arrange the turbines in such a manner the phase of the sound waves they're generating cancels out the harmful infrasound?