Mothers' exposure during pregnancy to a class of air pollutants called polycyclic aromatic hydrocarbons (PAH) can lead to behavioral problems in their children.

A parking lot at the edge of the University of New Hampshire campus has contributed important research to an emerging concern for the environment and human health.

Children living near coal-tar-sealed pavement are likely to receive a far higher dose of carcinogenic polycyclic aromatic hydrocarbons (PAHs) from incidental ingestion of house dust than do children living near unsealed pavement, and that dose is more than two times higher than the PAH dose children are estimated to receive from food.

Kachan & Co. helped educate U.S. Senators and Members of Congress this week on alternative nuclear technologies. Washington, D.C.

SEATTLE, Nov. 17, 2011 /PRNewswire/ -- Attorneys representing a group of U.S.