Renewables have a storage and demand problem that isn’t getting solved anytime soon. That coupled with the fact that New York is a heating dominant climate means that the energy deficit in the winter is hard to make up.

Confirmed, my building is from 1939 and it’s plater over metal mesh. I have found a masonry bit in a drill with drywall anchors is the most fool proof method for hanging. I use 100lb toggle bolts for anything heavy and never had a problem. The Ook Professional hooks work the best for not cracking the poster for smaller items.