Alarm over lead found in drinking water at US schools

Several schools across the US have either discovered or acted upon evidence of high levels of lead in their drinking water in the wake of the crisis in Flint, Michigan, with one leading expert warning the cases could mark “the tip of the iceberg”. Yanna Lambrinidou, who is an affiliate faculty member in science, technology and society at Virginia Tech, the university that helped uncover the extremely elevated levels of lead in Flint...
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