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

Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American Lung Association’s annual State of the Air report, released Wednesday.

Despite decades of progress in reducing air pollution, Los Angeles is still the nation's smoggiest city, according to a report released on April 23 by the American Lung Assn. The Tijuana River has ...

Air pollution is the biggest environmental health risk of our time. It also exacerbates climate change, causes economic losses, and reduces agricultural productivity. It knows no borders ...

In fact, in some instances, reducing precursors can cause a spike in ozone, says Alessandra De Marco, an expert on air pollution and a senior researcher at the Italian National Agency for New ...

and Cincinnatians are among those experiencing some of the worst air pollution in the U.S. The American Lung Association released its 26th annual State of the Air report Wednesday, which shows ...

A new study led by the Barcelona Institute for Global Health (ISGlobal), a centre supported by the "la Caixa" Foundation, has found that children exposed to higher levels of air pollution in early ...