Add Yahoo as a preferred source to see more of our stories on Google. As someone who lives in LA, air pollution is top of ...

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 ...

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 ...

While residents living in north Denver and Commerce City know they’re often breathing dirty air, the large number of industrial businesses and highways in the area can make it difficult to pinpoint ...

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 ...

For the first time in more than four decades, the city of Philadelphia has updated how it regulates toxic air pollution from industrial facilities. Late last month, the city’s Air Pollution Control ...

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 ...

Doctors, environmental groups and residents are trying to figure out if there is a causal connection between pollutants from the steel industry and rates of cancer in Gary, Indiana. Pollutants you can ...

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 ...