Topic: pollution reduction
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COVID-19 Lockdowns Unexpectedly Spiked Methane
During the 2020 pandemic lockdowns, reduced nitrogen oxide pollution inadvertently slowed the atmosphere's production of hydroxyl radicals, which are essential for breaking down methane. This weakened methane removal system caused atmospheric methane levels to surge to a record high, accounting f...
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Unlocking Rare Earth Magnets for Sustainable Recycling
Electronic waste is a significant, underutilized source of rare earth elements, which are valuable but traditionally difficult to extract due to technical and environmental challenges. A new method using flash joule heating and chlorine gas efficiently isolates rare earths from waste magnets by v...
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