Scientists have found in leafy vegetables traces of several chemicals used to prevent the aging and corrosion of car tires.
Through normal wear and tear, tires cast off countless tiny bits of rubber, which linger in the atmosphere or are washed down sewage drains and into waterways. In the air, these particles can affect the formation of clouds. In the water, they leach compounds that have been shown to be toxic to wildlife.
New research adds to the growing evidence that car tires are a considerable source of pollution. For the study, scientists tested leafy vegetables that had been grown in Switzerland, Spain, and Italy and sold in Swiss supermarkets. They also tested vegetables harvested directly from farmland in Israel.
e360.yale.edu/digest/tire-chemicals-vegetables-study
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