Officials: Avian flu strain at Indiana farm hasn't spread

A strain of avian flu that can cause high mortality rates among birds hasn't spread to neighboring farms since it was confirmed at a commercial turkey farm in southern Indiana, state officials said Thursday.

Automobile law in Japan has improved air quality

A law passed in Japan in 1992 aimed to improve urban air quality by banning vehicles that violated certain emission standards from being registered in designated areas. A new study published in Contemporary Economic Policy ...

page 37 from 40