We have a difficult relationship with Mexico and politicians in the Southwest are trying to get elected by using campaign rhetoric that stresses keeping out Mexican immigrants–especially those peddling drugs across the border. While they may be harming us, we are also harming them in a way that the average American has never heard of: We are sending spent batteries that have been turned in for recycling to Mexico, where their lead can be extracted by crude methods that are illegal here. This exposes workers and local residents to dangerous levels of lead.
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