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Articles on Trace metals

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Snow’s physical properties mean that it can accumulate chemicals from the environment, including nanoparticles from car exhaust. (Shutterstock)

Snow can spread and worsen the effects of pollutants in the environment

From persistent chemicals to exhaust particulate matter, snow accumulates highly toxic pollutants. Regulations are needed to address the impacts on water supplies and the food chain.
Honey can carry clues about where pollutants come from. (Shutterstock)

How clean is your city? Just ask the bees

Urban pollutants are a health concern in growing cities. Scientists are turning to honey bees to help monitor contaminants in soil, water, air and plants.

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