Delhi's latest fuel ban on older vehicles promises cleaner air but delivers chaos, bias, and emotional loss, turning beloved ...

More targeted action against specific categories of polluting vehicles would produce better results, and cause less confusion ...

So happy smogiversary, Los Angeles. We can breathe a lot easier than we used to, but don't let that fool you — we still have the worst air quality in America — a distinction the American Lung ...

Gas-powered cars and diesel trucks remain the state’s largest sources of smog and soot despite decades of cutting emissions.

As cities expand and economies grow, the continent’s reliance on outdated, polluting transport is fueling a double ...