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 ...

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 EPA’s long-awaited rules for greenhouse gas emissions from power plants are here, but they still don’t address a major source of pollution. The EPA’s long-awaited rules for greenhouse gas ...

Researchers combined long-exposure photography with pollution sensor data to create representations of pollution in India, the United Kingdom and Ethiopia Olivia Ferrari A light painting made in Delhi ...