Mercury is released by environmental and human-driven processes. And some forms, specifically methylmercury, are toxic to humans. Therefore, policies and regulations to limit mercury emissions have ...

Researchers estimated that before humans started pumping mercury into the atmosphere, it contained on average about 580 megagrams of mercury. However, in 2015, independent research that looked at all ...

A team of environmental scientists affiliated with several institutions in China and the U.S. and one in Belgium has found that excess amounts of mercury entering the atmosphere as part of a global ...

Scientists for years have been at a loss to explain unexpectedly high levels of mercury in fish swimming the rivers and streams of areas like eastern Oregon, far away from industrial sources of ...

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A new study by the U.S. Geological Survey confirms that most of the mercury in Lake Superior is coming from airborne deposition, mercury that floated around in the atmosphere before falling into the ...

This plant (left), found along the slopes of Mount Everest, grows in individual layers (right) that have been used to understand how atmospheric mercury levels have changed in the past 40 years.