Korean researchers have found a way to improve the efficiency of thin-film solar panels while supporting the use of more sustainable materials.
The Cool Down on MSN
Retiree discovers super-low-cost alternative to rooftop solar panels: 'Will I live long enough for the investment to pay off?'
"I need a new roof and I'm in my 70s." Retiree discovers super-low-cost alternative to rooftop solar panels: 'Will I live ...
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