Toxic Metals Getting into our Food
Heavy metals from industrial pollution and sewage sludge may poison the food we eat. Scientists used to think that living organisms, such as snails and worms, could only ingest heavy metals and other pollutants in the soil if they were dissolved in water, but now they know this isn’t true, meaning they could affect us too. Much of the heavy metal pollution on the West Coast comes from mercury emissions from coal burning in China that end up in rainfall over California.
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