The Boston-Worcester-Providence region (eastern Massachusetts, Rhode Island and southern New Hampshire) "remains the ...

A new report suggests that almost half of Americans are breathing unhealthy air, and that the problem will only worsen from ...

It is tempting to believe that the world is on the brink of environmental collapse. We are constantly inundated by dire predictions of climate catast ...

Users across Chicago were met with warnings from their smartphones about the city's air quality Wednesday that led to much ...

More than 156 million Americans live among unhealthy levels of air pollution, an annual report from the American Lung ...

Air quality​ in the metro area that includes Boston, Worcester and Providence has gotten worse, a new report​ says.

In the world's most polluted town, Byrnihat in northern India, air pollution is so severe it causes skin rashes and burns the ...

Several U.S. cities are experiencing heightened air pollution levels on Wednesday, including parts of Chicago.

Cities around the world trying to limit driving have faced objections — namely that the measures would limit personal freedom ...

California is spending $500 million to put an additional 1,000 electric school buses on the road as federal cuts and freezes ...

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...