the lead will be perfectly safe until someone crushes them up into a bunch of powder with a front loader, and then dumps in the nearest unsealed landfill
also lead mining/production is not waste free in of itself
Theyre lead salts. I guarantee that some of it is going to leech into the environment. And at some point theyre going to need to be manufactured in the first place and recycled/disposed of
A team from the Chinese solar technology firm Longi set a new world record of 33.9 per cent for a silicon-perovskite tandem solar cell, breaking the previous record set in May this year by King Abdullah University of Science & Technology (KAUST) in Saudi Arabia.
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