I wasn't trying to imply it's impossible, and I agree it's a worthy goal, but I am curious as to some real ideas that would replace our current setup. Doesn't a

I wasn't trying to imply it's impossible, and I agree it's a worthy goal, but I am curious as to some real ideas that would replace our current setup. Doesn't a typical smartphone use dozens of rare metals? People aren't going to give that up for the environment or they would have already, sadly.