'Pollution Equator' Keeps Southern Hemisphere Clean

Date: 2008-09-26
Link: http://www.earthweek.com/2008/ew080926/ew080926b.html

Earthweek - September 26, 2008
An air pollution barrier, or chemical equator, that keeps the polluted air of the northern hemisphere from contaminating the less-industrialized hemisphere to the south has been found by British scientists.