2
Solar modules deployed in France in 1992 still provide 75.9% of original output power
(www.pv-magazine.com)
This is a most excellent place for technology news and articles.
It is toxic and they wrote "NIMBY", which means "not in my backyard", which is what I used figuratively here.
Depends on the location. In Asse, there is water entering into the caverns, for example.
You should inform the BGE about it. They'll be glad to hear all their challenges are solved.