Well thats that argument out the window.
But even then, the glass part of it is kind of a non starter really, in that nothing is going to use those fields for grazing, and what does go to ground will be weathered eventually.
And of course nothing like the toxic damage caused by fracking or oil or gas extraction. Common ingredients include methanol, ethylene glycol, and propargyl alcohol. Those chemicals, along with many others used, are considerably hazardous to human health.
I think all in all I'd be more comfortable producing electric from solar/wind/wave than all other forms.
That said though Nuclear is probably going to supply the bulk of our needs in the future