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40% of US electricity is now emissions-free
(arstechnica.com)
This is a most excellent place for technology news and articles.
Mainly lead and cadmium, and they can be recycled, that's not the problem, the problem is the cost of doing it vs sticking them in a landfill. Nobody wants to spend 5x to recycle something that's dead to them and can't generate income anymore, vs dumping it.