Paris on Monday launches alternate driving days for the first time in nearly 20 years to tackle dangerous air pollution levels amid controversy on whether the ban is warranted or will yield results.
Thick smog enveloped a Chinese city for a third day Tuesday, with schools and a regional airport shuttered and low visibility forcing ground transport to a halt in places.
NEW YORK (Reuters Health) - People who have never smoked, but who live in areas with higher air pollution levels, are roughly 20 percent more likely to die from lung cancer than people who live with cleaner air, researchers conclude in a new study.