UVA professor harvests silver from solar

Professor Mool Gupta won a grant from the National Science Foundation to fine-tune his method for removing silver from used solar panels. (Credit: UVA)

As prices for solar panels have come down, more and more people are putting them up. But those panels have a limited lifespan of 20 to 30 years.  

Experts now estimate that by 2050 the planet could be stuck with 78 million tons of used solar panels. 

Recycling is not cost-effective, but a University of Virginia professor may be on track to change that as Sandy Hausman reports.

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