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  ...ere is a shortage" in the U.S. There is already a shortage, in fact. But is it really that easy? https://www.popularmechanics.com/science/health/a31782347/tesla-ventilators-c...

  1507 days ago

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  ...South America Throughout South America, pollution from transport and machinery has been adding to greenhouse gas emissions while causing growing health issues. A Swiss programme bas...

  1602 days ago