American Rivers ranks the Tijuana River No. 2 on its list of most endangered rivers. Advocates are urging the U.S. and Mexico ...

The EPA estimates that between 2007 and 2018 the rule has cut 500,000 tons of sulfur dioxide and 300,000 tons of nitrous ...

A third of Americans still breathe unhealthy air after decades of improvements—which the Trump administration wants to roll ...

The U.S. Environmental Protection Agency will rescind a policy that threatened to escalate the Valley's air pollution status ... DHS wrongly sends notices to US citizens: 'It's time for you ...

The US has topped a list of 175 countries of where citizens are most at risk from the adverse health effects of air pollution, according to a new study. Exposure to air pollution can cause chronic ...

The EPA rescinded a policy that threatened to escalate Phoenix's ozone nonattainment status. While business leaders welcome the move, health advocates worry it will hinder efforts to address local ...

About one in three people worldwide were exposed to household air pollution in a single year ... concern,” said the study authors from the US-based Institute for Health Metrics and Evaluation ...

New EPA Administrator Lee Zeldin “has opened a back door for hundreds of companies to avoid complying with reasonable limits ...

Since the end of the 20th century, air pollution from most U.S. sources has decreased, but emissions from wildland fires have ...

In a new study, researchers estimated that smoke from wildfires and prescribed burns caused $200 billion in health damages in 2017, and that these were associated with 20,000 premature deaths. Senior ...