Panels are almost exclusively sand. Should we run out of one of the things needed to make solar panels a recycling market will pop up. I also think you need to

Panels are almost exclusively sand. Should we run out of one of the things needed to make solar panels a recycling market will pop up. I also think you need to check your lifespan numbers. Solar panels degrade much slower than that, if they get thrown out after 20 years that has silly reasons like they stop getting subsidies after 20 years. There is a healthy market for used solar panels.