children

Teenage boys who take the bus to school have a greater chance of being bullied than those who use other types of transportation, according to a recent study that also suggests girls generally are more likely to be bullied than boys.

Airplanes are now the largest source of lead pollution in the United States. A new study suggests Americans hurt by lead exposure may be suffering billions in lost wages.

Car emissions account for half of the carbon monoxide pollution in the United States, one third of the nitrogen oxide pollution, and 10% of fine particulate matter emissions. Areas of heavy traffic congestion — which see concentrated emissions levels in the ambient air — are of particular concern, as previous research has linked such pollution with negative effects on fetal health.