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Vancouver, Canada — As the world rushes to replace fossil fuels with renewable sources of energy, new research shows that polymetallic rocks found on the deep-ocean floor can supply hundreds of millions of tons of important battery metals to store energy and power electric vehicles (EVs) with far less impact on the climate than mining the same metals from the land. New study finds making electric vehicle batteries from deep-sea rocks can dramatically reduce climate change impacts compared to land-based ores. Peer-reviewed research commissioned by DeepGreen shows up to 90% carbon footprint reduction for critical minerals for electric vehicle batteries when sourcing them from deep-sea polymetallic nodules compared to conventionally mined land ores. he peer-reviewed study, published in the Journal of Cleaner Production, is a comparative life cycle assessment of EV battery metal sources, quantifying the direct and indirect emissions and disruptions to carbon sequestration services realized in the mining, processing and refining of battery metals.

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