NASA Leads Study Of Unprecedented Arctic Ozone Loss

A NASA-led study has documented an unprecedented depletion of Earth's protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low temperatures in the stratosphere.

Link: http://www.nasa.gov/home/hqnews/2011/oct/HQ_11-329_Arctic_Ozone_Loss.html

Time: 2. Oct. 2011

Feed: NASA Breaking News

Topics: arctic, ozone, study, unprecedented