UN expects normal ozone hole for 2008
UN scientists expect the ozone hole over Antarctica to be smaller than the hole of 2006 but more pronounced than 2007’s.29 August 2008
GENEVA -- UN scientists say they expect a normal ozone hole for 2008.
Geir Braathen of the World Meteorological Organization says it's still too early to say for sure how big the ozone hole will be over Antarctica.
He told journalists in Geneva on Friday that it will likely be smaller than the large hole of 2006, but more pronounced than 2007's relatively small hole.
The hole has been forming since the mid-1980s in the extremely low temperatures that mark the end of Antarctic winter. Generally, the hole is biggest around late September.
The hole is caused by thinning in the ozone layer largely due to chemical compounds leaked from refrigerators, air conditioners and other devices. It exposes the Earth to harmful solar rays.
[AP / Expatica]