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 ...

The amount of mercury in our atmosphere is a little out of hand, and scientists may have figured out the cause. According to a new study published in the journal One Earth, the excessive mercury ...

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 ...

Mercury pollution levels in the Earth’s atmosphere have spiked by seven times since the modern era began around 1500 CE, new research shows. The work, published as a study in the journal Geophysical ...

Alberta’s massive wildfire is sending more than just smoke into the air. “All of a sudden, you have this big release in a fire,” said Christine Wiedinmyer, a scientist at the National Center for ...

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.

Mercury generally is present in the atmosphere in only very small amounts compared with other pollutants, said Philip Swartzendruber, a University of Washington doctoral student in atmospheric ...