The element mercury (Hg) is a unique metal that is liquid at ambient conditions, and easily volatilized to the atmosphere, where it is distributed on a global scale. This environmental contaminant ...

Analysing the diversity of organic compounds dissolved in freshwater provides a reliable measure of ecosystem health, say scientists. The source of pollutants in rivers and freshwater lakes can now be ...

Nitrate pollution has become one of the most widespread water quality challenges in intensively farmed regions around the world, threatening drinking water safety, aquatic ecosystems, and downstream ...

Air pollution does not have to exceed federal limits to potentially harm human health, according to a new published study ...

For decades, Southern California’s war on smog has focused on strategies to reduce pollution from tailpipes and smokestacks. But one of the main drivers of lung-aggravating smog may be right ...

For decades, the United States made steady progress in reducing surface ozone pollution, the main ingredient in smog. But ...

A new report has been released by Germany-based ocean plastic recovery startup CleanHub that highlights ocean plastic pollution this year, as well as a look into its complex origins and what the ...

Air in the U.S. has gotten cleaner for decades, adding years to people's lives and preventing millions of asthma attacks, but nearly half of Americans still live with unhealthy air pollution, a new ...

Unlike most other pollutants, particulate matter (PM) cannot be characterized by the space- and time-variations of the mass concentrations of a single compound. Important factors influencing PM ...