Research Links Cleaner Air, Improved Children's Health

Air pollution is known to be harmful to children, and researchers who have monitored the impact of contaminated air around Los Angeles say improvements in air quality have led to better health among young residents. The authors say their findings hold hope for polluted cities in other parts of the world. VOA's Mike O’Sullivan reports.

© La Voix de l'Amérique - vendredi 6 mars 2015