Pollution triples mercury levels in ocean surface waters, study finds

Toxic metal threatens marine life as it accumulates faster in shallow layers than in deep sea due to human activity

The amount of mercury near the surface of many of the worlds oceans has tripled as the result of our polluting activities, a new study has found, with potentially damaging implications for marine life as the result of the accumulation of the toxic metal.

Mercury is accumulating in the surface layers of the seas faster than in the deep ocean, as we pour the element into the atmosphere and seas from a variety of sources, including mines, coal-fired power plants and sewage. Mercury is toxic to humans and marine life, and accumulates in our bodies over time as we are exposed to sources of it.

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